{"id":7226,"date":"2025-01-17T14:19:04","date_gmt":"2025-01-17T14:19:04","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=7226"},"modified":"2025-01-17T14:19:04","modified_gmt":"2025-01-17T14:19:04","slug":"stepbystep-guide-to-downloading-and-installing-previous-macos-versions","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/stepbystep-guide-to-downloading-and-installing-previous-macos-versions\/","title":{"rendered":"\u4ee5\u524d\u306e macOS \u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u305f\u3081\u306e\u30b9\u30c6\u30c3\u30d7\u30d0\u30a4\u30b9\u30c6\u30c3\u30d7\u30ac\u30a4\u30c9"},"content":{"rendered":"<h3>\u30af\u30a4\u30c3\u30af\u30ea\u30f3\u30af<\/h3>\n<ul>\n<li><a href=\"#before-you-start\">\u59cb\u3081\u308b\u524d\u306b<\/a><\/li>\n<li><a href=\"#how-to-download-older-versions-of-macos\">macOS\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<li><a href=\"#prepare-and-create-a-bootable-usb-drive\">\u8d77\u52d5\u53ef\u80fd\u306aUSB\u30c9\u30e9\u30a4\u30d6\u306e\u6e96\u5099\u3068\u4f5c\u6210<\/a><\/li>\n<li><a href=\"#install-macos-from-scratch-on-your-mac\">Mac\u306bmacOS\u3092\u6700\u521d\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/a><\/li>\n<li><a href=\"#perfect-for-older-apple-computers\">\u53e4\u3044Apple\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u6700\u9069<\/a><\/li>\n<\/ul>\n<h3>\u307e\u3068\u3081<\/h3>\n<ul>\n<li>Mac App Store \u307e\u305f\u306f Apple \u306e\u30b5\u30a4\u30c8\u304b\u3089\u306e\u76f4\u63a5\u30ea\u30f3\u30af\u3092\u901a\u3058\u3066\u3001macOS \u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u3044\u304f\u3064\u304b\u306e\u7c21\u5358\u306a\u30bf\u30fc\u30df\u30ca\u30eb \u30b3\u30de\u30f3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u8d77\u52d5\u53ef\u80fd\u306a USB \u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<li>USB \u30c9\u30e9\u30a4\u30d6\u304b\u3089\u8d77\u52d5\u3057\u3001\u30b7\u30b9\u30c6\u30e0 \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u6d88\u53bb\u3057\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u5f93\u3063\u3066\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e macOS \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>\u53e4\u3044 Mac \u3092\u304a\u6301\u3061\u3067\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u307e\u305f\u306f\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u30ac\u30a4\u30c9\u3067\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"before-you-start\">\u59cb\u3081\u308b\u524d\u306b<\/h2>\n<p>\u4e92\u63db\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u91cd\u8981\u3067\u3059\u3002macOS \u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3059\u3079\u3066\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u69cb\u6210\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65b0\u3057\u3044 macOS \u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u5ec3\u6b62\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u540c\u69d8\u306b\u53e4\u3044\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u65b0\u3057\u3044\u30e2\u30c7\u30eb\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u306a\u3044\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001M4 MacBook Pro (2024 \u5e74\u30ea\u30ea\u30fc\u30b9) \u3092\u304a\u6301\u3061\u306e\u5834\u5408\u3001\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30ea\u30ea\u30fc\u30b9\u6642\u306b\u5229\u7528\u3067\u304d\u306a\u304b\u3063\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u300115 Sequoia \u3088\u308a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e macOS \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u304a\u4f7f\u3044\u306e Mac \u306b\u4ed8\u5c5e\u3057\u3066\u3044\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/support.apple.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Apple \u30b5\u30dd\u30fc\u30c8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30e2\u30c7\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u306f\u3001\u5de6\u4e0a\u9685\u306b\u3042\u308b Apple \u30ed\u30b4\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u300c\u3053\u306e Mac \u306b\u3064\u3044\u3066\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u88fd\u9020\u5e74\u3068\u5bfe\u5fdc\u3059\u308b macOS \u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u76f8\u4e92\u53c2\u7167\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"Apple\u306e\u300c\u3053\u306eMac\u306b\u3064\u3044\u3066\u300d\u753b\u9762\" class=\"wp-image\" decoding=\"async\" height=\"1108\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/screenshot-2025-01-16-at-08-45-00.webp\" title=\"Apple\u306e\u300c\u3053\u306eMac\u306b\u3064\u3044\u3066\u300d\u753b\u9762\" width=\"1346\"\/><\/figure>\n<p>\u5192\u967a\u5fc3\u306e\u3042\u308b\u65b9\u306f\u3001<a href=\"https:\/\/github.com\/BenSova\/Patched-Sur\" target=\"_blank\">Patched Sur<\/a>\u3084<a href=\"https:\/\/dortania.github.io\/OpenCore-Legacy-Patcher\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">OpenCore Legacy Patcher<\/a>\u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044 Mac \u306b\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u304d\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u6a19\u6e96\u4ee5\u4e0b\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u5b89\u5b9a\u3057\u305f\u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u307b\u307c\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u304c\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u306f\u5fc3\u5f37\u3044\u3053\u3068\u3067\u3059\u3002\u65b0\u3057\u3044 macOS \u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u98db\u3073\u8fbc\u3080\u524d\u306b\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u78ba\u5b9f\u306b\u306a\u308b\u307e\u3067 Time Machine \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u63a7\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u4f5c\u6210\u3055\u308c\u305f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304b\u3089\u306e\u5fa9\u5143\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/bombich.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Carbon Copy Cloner<\/a>\u3084<a href=\"https:\/\/www.econtechnologies.com\" target=\"_blank\">ChronoSync<\/a>\u306a\u3069\u306e\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7 \u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u67d4\u8edf\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u307e\u305f\u306f\u3001\u6700\u5f8c\u306e\u624b\u6bb5\u3068\u3057\u3066\u3001\u5916\u4ed8\u3051\u30c9\u30e9\u30a4\u30d6\u3078\u306e\u624b\u52d5\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2 id=\"how-to-download-older-versions-of-macos\">macOS\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>macOS \u306e\u307b\u3068\u3093\u3069\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u306f\u3001Mac App Store \u304b\u3089\u3001\u307e\u305f\u306f Apple \u306e Web \u30b5\u30a4\u30c8\u304b\u3089\u76f4\u63a5\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u3067\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u30a2\u30d7\u30ea\u5185\u3067\u306e\u691c\u7d22\u7528\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u76f4\u63a5\u30ea\u30f3\u30af\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"macOS High Sierra \u306e Mac App Store \u30ea\u30f3\u30af\u3002\" class=\"wp-image\" decoding=\"async\" height=\"1346\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/screenshot-2025-01-16-at-09-39-16.webp\" title=\"macOS High Sierra \u306e Mac App Store \u30ea\u30f3\u30af\u3002\" width=\"2319\"\/><\/figure>\n<p>\u30ea\u30f3\u30af\u306b\u554f\u984c\u304c\u3042\u308b\u5834\u5408\u306f\u3001Safari \u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001Mac App Store \u3092\u9589\u3058\u3066\u518d\u5ea6\u958b\u3044\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>App Store \u3067\u5165\u624b\u53ef\u80fd\u306a\u3055\u307e\u3056\u307e\u306a macOS \u30d0\u30fc\u30b8\u30e7\u30f3\u3078\u306e\u30ea\u30f3\u30af\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-sequoia\/id6596773750?mt=12\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">macOS \u30bb\u30b3\u30a4\u30a2<\/a>(2024)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-sonoma\/id6450717509?mt=12\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">macOS \u30bd\u30ce\u30de<\/a>(2023)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-ventura\/id1638787999?mt=12\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">macOS \u30d9\u30f3\u30c1\u30e5\u30e9<\/a>(2022)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-monterey\/id1576738294?mt=12\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">macOS \u30e2\u30f3\u30c8\u30ec\u30fc<\/a>(2021)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-big-sur\/id1526878132?mt=12\" target=\"_blank\">macOS Big Sur<\/a> (2020)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-catalina\/id1466841314?mt=12\" target=\"_blank\">macOS \u30ab\u30bf\u30ea\u30ca<\/a>(2019)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-mojave\/id1398502828?mt=12\" target=\"_blank\">macOS Mojave<\/a> (2018)<\/li>\n<li><a href=\"https:\/\/apps.apple.com\/us\/app\/macos-high-sierra\/id1246284741?ls=1&amp;mt=12\" target=\"_blank\">macOS High Sierra<\/a> (2017)<\/li>\n<\/ul>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u3092\u3059\u3050\u306b\u958b\u304b\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u6b8b\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3082 Apple \u304b\u3089\u76f4\u63a5\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u307e\u3059\u304c\u3001OS X Mavericks \u306f\u5165\u624b\u304c\u56f0\u96e3\u3067\u3059\u3002<\/p>\n<ul>\n<li><a href=\"http:\/\/updates-http.cdn-apple.com\/2019\/cert\/061-39476-20191023-48f365f4-0015-4c41-9f44-39d3d2aca067\/InstallOS.dmg\" target=\"_blank\">macOS \u30b7\u30a8\u30e9<\/a>(2016)<\/li>\n<li><a href=\"http:\/\/updates-http.cdn-apple.com\/2019\/cert\/061-41424-20191024-218af9ec-cf50-4516-9011-228c78eda3d2\/InstallMacOSX.dmg\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Mac OS X El Capitan<\/a> (2015)<\/li>\n<li><a href=\"http:\/\/updates-http.cdn-apple.com\/2019\/cert\/061-41343-20191023-02465f92-3ab5-4c92-bfe2-b725447a070d\/InstallMacOSX.dmg\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Mac OS X \u30e8\u30bb\u30df\u30c6<\/a>(2014)<\/li>\n<li><a href=\"https:\/\/support.apple.com\/en-us\/106387\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Mac OS X \u30de\u30a6\u30f3\u30c6\u30f3\u30e9\u30a4\u30aa\u30f3<\/a>(2012)<\/li>\n<li><a href=\"https:\/\/support.apple.com\/en-us\/106383\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Mac OS X \u30e9\u30a4\u30aa\u30f3<\/a>(2011)<\/li>\n<\/ul>\n<p>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001DMG \u30d5\u30a1\u30a4\u30eb\u3092\u30de\u30a6\u30f3\u30c8\u3057\u3001PKG \u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30a2\u30d7\u30ea\u304c\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a9\u30eb\u30c0\u30fc\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>Apple \u306f\u53e4\u3044 OS X \u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u7269\u7406\u30b3\u30d4\u30fc\u3092\u8ca9\u58f2\u3057\u3066\u3044\u307e\u305b\u3093\u304c\u3001<a href=\"http:\/\/www.ebay.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">eBay<\/a>\u306a\u3069\u306e\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3067\u306f\u307e\u3060\u5165\u624b\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u6ce8\u610f\u3057\u3066\u3001\u300c3-in-1\u300d\u8d77\u52d5\u53ef\u80fd\u306a USB \u30c9\u30e9\u30a4\u30d6\u306f\u4f7f\u7528\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>OS X \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u63d0\u4f9b\u3059\u308b\u975e\u516c\u5f0f\u30bd\u30fc\u30b9\u306b\u306f\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30de\u30eb\u30a6\u30a7\u30a2\u306b\u906d\u9047\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u304f\u306a\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8457\u4f5c\u6a29\u306e\u554f\u984c\u306b\u95a2\u3059\u308b\u6cd5\u7684\u5f71\u97ff\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2 id=\"prepare-and-create-a-bootable-usb-drive\">\u8d77\u52d5\u53ef\u80fd\u306aUSB\u30c9\u30e9\u30a4\u30d6\u306e\u6e96\u5099\u3068\u4f5c\u6210<\/h2>\n<p>\u8d77\u52d5\u53ef\u80fd\u306a USB \u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u3001macOS \u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5834\u5408\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30c9\u30e9\u30a4\u30d6\u306f\u8907\u6570\u56de\u4f7f\u7528\u3057\u305f\u308a\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u65b0\u3057\u3044\u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3057\u305f\u308a\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u7834\u68c4\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002\u5c06\u6765\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u5927\u304d\u306a\u67d4\u8edf\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>Apple \u306f\u3001USB \u30c9\u30e9\u30a4\u30d6\u3092 Mac OS \u62e1\u5f35\u3068\u3057\u3066\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u3001\u5c11\u306a\u304f\u3068\u3082 14 GB \u306e\u5bb9\u91cf\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u969b\u3001Catalina \u4ee5\u524d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u307e\u3067\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3067\u306f 8 GB \u306e\u30c9\u30e9\u30a4\u30d6\u3092\u4f7f\u7528\u3057\u3066\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>USB \u30c9\u30e9\u30a4\u30d6\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3059\u308b\u306b\u306f\u3001Mac \u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30c7\u30a3\u30b9\u30af \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u958b\u304d\u307e\u3059 (Spotlight \u304b\u3089\u30a2\u30af\u30bb\u30b9\u3059\u308b\u304b\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 &gt; \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u306b\u3042\u308a\u307e\u3059)\u3002\u30b5\u30a4\u30c9\u30d0\u30fc\u3067\u30c9\u30e9\u30a4\u30d6\u3092\u898b\u3064\u3051\u3066\u9078\u629e\u3057\u3001\u300c\u6d88\u53bb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002\u9069\u5207\u306a\u540d\u524d (\u3067\u304d\u308c\u3070\u300cmacos_installer\u300d\u306e\u3088\u3046\u306a\u7c21\u5358\u306a\u540d\u524d) \u3092\u9078\u629e\u3057\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u3067\u300cMac OS \u62e1\u5f35 (\u30b8\u30e3\u30fc\u30ca\u30ea\u30f3\u30b0)\u300d\u3092\u9078\u629e\u3057\u3066\u3001\u300c\u6d88\u53bb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"\u30c7\u30a3\u30b9\u30af\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3067macOS USB\u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"942\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/screenshot-2025-01-16-at-09-21-14.webp\" title=\"\u30c7\u30a3\u30b9\u30af\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3067macOS USB\u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3059\u308b\" width=\"1786\"\/><\/figure>\n<p>\u6b21\u306b\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u4f7f\u7528\u3057\u3066 USB \u30c9\u30e9\u30a4\u30d6\u3092\u6e96\u5099\u3057\u307e\u3059\u3002Spotlight \u307e\u305f\u306f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 &gt; \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u304b\u3089\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b macOS \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5fdc\u3058\u3066\u7570\u306a\u308b\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30e1\u30c7\u30a3\u30a2\u3092\u4f5c\u6210\u3059\u308b\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4f8b\u3067\u306f\u3001macOS Sequoia USB \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3057\u3001USB \u30c9\u30e9\u30a4\u30d6\u306b\u300cmacos_installer\u300d\u3068\u3044\u3046\u30e9\u30d9\u30eb\u3092\u4ed8\u3051\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3 \u30d5\u30a9\u30eb\u30c0\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p> <code>sudo \/Applications\/Install\\ macOS\\ Sequoia.app\/Contents\/Resources\/createinstallmedia --volume \/Volumes\/macos_installer<\/code><\/p>\n<p>\u3053\u306e\u30b3\u30de\u30f3\u30c9\u306e\u3055\u307e\u3056\u307e\u306a\u5074\u9762\u3001\u7279\u306b\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc\u306e\u540d\u524d\u306f\u3001\u7279\u5b9a\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u306b\u5fdc\u3058\u3066\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u30b9\u30da\u30fc\u30b9\u306f\u30d0\u30c3\u30af\u30b9\u30e9\u30c3\u30b7\u30e5\u3067\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305f\u3068\u3048\u3070\u3001High Sierra \u306e\u5834\u5408\u306f\u3001\u6b21\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p> <code>sudo \/Applications\/Install\\ macOS\\ High\\ Sierra.app\/Contents\/Resources\/createinstallmedia --volume \/Volumes\/MacOS\\ Installer<\/code><\/p>\n<p>\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u30dc\u30ea\u30e5\u30fc\u30e0 (USB \u30c9\u30e9\u30a4\u30d6\u3092\u542b\u3080) \u306e\u540d\u524d\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p> <code>ls \/Volumes\/<\/code><\/p>\n<p>Enter \u30ad\u30fc\u3092\u62bc\u3057\u305f\u5f8c\u3001\u7ba1\u7406\u8005\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u5165\u529b\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u691c\u8a3c\u3057\u3001\u300cY\u300d\u30ad\u30fc\u3092\u62bc\u3057\u3066 USB \u30c9\u30e9\u30a4\u30d6\u306e\u5185\u5bb9\u304c\u4e0a\u66f8\u304d\u3055\u308c\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"install-macos-from-scratch-on-your-mac\">Mac\u306bmacOS\u3092\u6700\u521d\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b<\/h2>\n<p>\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30d5\u30a1\u30a4\u30eb\u306e\u30b3\u30d4\u30fc\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001macOS \u306e\u30af\u30ea\u30fc\u30f3 \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306b\u9032\u307f\u307e\u3059\u3002\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30a8\u30af\u30b9\u30da\u30ea\u30a8\u30f3\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb \u30d7\u30ed\u30bb\u30b9\u3092\u958b\u59cb\u3059\u308b\u524d\u306b\u65e2\u5b58\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u6d88\u53bb\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001USB \u30c9\u30e9\u30a4\u30d6\u3092\u633f\u5165\u3057\u3001Mac \u3092\u30b7\u30e3\u30c3\u30c8\u30c0\u30a6\u30f3\u3057\u307e\u3059\u3002Mac \u306e\u30e2\u30c7\u30eb\u306b\u5fdc\u3058\u3066\u3001\u6b21\u306e\u624b\u9806\u306b\u5f93\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Apple Silicon (M1 \u30c1\u30c3\u30d7\u4ee5\u964d):<\/strong>\u8d77\u52d5\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u96fb\u6e90\u30dc\u30bf\u30f3\u3092\u62bc\u3057\u7d9a\u3051\u3001\u4f5c\u6210\u3057\u305f USB \u30dc\u30ea\u30e5\u30fc\u30e0\u3092\u9078\u629e\u3057\u3066\u3001\u300c\u7d9a\u884c\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/li>\n<li><strong>Intel \u642d\u8f09 Mac:<\/strong>\u8d77\u52d5\u53ef\u80fd\u306a\u30dc\u30ea\u30e5\u30fc\u30e0\u306e\u30ea\u30b9\u30c8\u304c\u8868\u793a\u3055\u308c\u308b\u307e\u3067\u3001Option (Alt) \u30ad\u30fc\u3092\u62bc\u3057\u306a\u304c\u3089\u96fb\u6e90\u3092\u5165\u308c\u307e\u3059\u3002\u65b0\u3057\u304f\u4f5c\u6210\u3057\u305f USB \u30b9\u30c6\u30a3\u30c3\u30af\u3092\u9078\u629e\u3057\u3001\u4e0a\u5411\u304d\u77e2\u5370\u3092\u62bc\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p>macOS \u304c\u8aad\u307f\u8fbc\u307e\u308c\u305f\u3089 (\u6700\u521d\u306b\u8a00\u8a9e\u306e\u9078\u629e\u304c\u5fc5\u8981\u306a\u5834\u5408\u304c\u3042\u308a\u307e\u3059)\u3001\u300c\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u300d&gt;\u300c\u30c7\u30a3\u30b9\u30af\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u300d\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u30b5\u30a4\u30c9\u30d0\u30fc\u3067\u30e1\u30a4\u30f3\u30c9\u30e9\u30a4\u30d6 (\u591a\u304f\u306e\u5834\u5408\u3001\u300cMacintosh HD\u300d\u3068\u3044\u3046\u30e9\u30d9\u30eb\u304c\u4ed8\u3044\u3066\u3044\u307e\u3059) \u3092\u898b\u3064\u3051\u3066\u3001\u300c\u6d88\u53bb\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"macOS\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30e2\u30fc\u30c9\u3067\u30b7\u30b9\u30c6\u30e0\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u6d88\u53bb\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"414\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/erase_partition.webp\" title=\"macOS\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u30e2\u30fc\u30c9\u3067\u30b7\u30b9\u30c6\u30e0\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u6d88\u53bb\u3059\u308b\" width=\"650\"\/><\/figure>\n<p>\u7d30\u5fc3\u306e\u6ce8\u610f\u3092\u6255\u3063\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306e\u624b\u9806\u3067\u306f\u3001Mac \u306e\u30b7\u30b9\u30c6\u30e0 \u30dc\u30ea\u30e5\u30fc\u30e0\u304c\u5b8c\u5168\u306b\u6d88\u53bb\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u64cd\u4f5c\u3092\u884c\u3046\u524d\u306b\u3001\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u304c\u3059\u3079\u3066\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>macOS Sierra \u4ee5\u964d\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306e\u5834\u5408\u306f\u3001\u300cAPFS\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002El Capitan \u4ee5\u524d\u306e\u5834\u5408\u306f\u3001\u300cMac OS \u62e1\u5f35 (\u30b8\u30e3\u30fc\u30ca\u30ea\u30f3\u30b0)\u300d\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u6e96\u5099\u304c\u3067\u304d\u305f\u3089\u3001\u300c\u6d88\u53bb\u300d\u3092\u9078\u629e\u3057\u3066\u78ba\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<figure class=\"wp-block-image\"><img alt=\"macOS\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30cb\u30e5\u30fc\u3092\u4f7f\u7528\u3057\u3066macOS\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\" class=\"wp-image\" decoding=\"async\" height=\"448\" loading=\"lazy\" src=\"https:\/\/cdn.howtogeek.blog\/wp-content\/uploads\/2025\/01\/reinstall_macos.webp\" title=\"macOS\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30cb\u30e5\u30fc\u3092\u4f7f\u7528\u3057\u3066macOS\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\" width=\"650\"\/><\/figure>\n<p>\u6700\u5f8c\u306b\u3001\u30c7\u30a3\u30b9\u30af\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u3092\u9589\u3058\u3066\u3001macOS \u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300cmacOS \u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u300d\uff08\u307e\u305f\u306f\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u5834\u5408\u306f\u300cmacOS \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u300d\uff09\u3092\u9078\u629e\u3057\u307e\u3059\u3002\u6b8b\u308a\u306e\u6307\u793a\u306b\u5f93\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"perfect-for-older-apple-computers\">\u53e4\u3044Apple\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u6700\u9069<\/h2>\n<p>\u3055\u3089\u306b\u3001M1 \u30c1\u30c3\u30d7\u4ee5\u964d\u3092\u642d\u8f09\u3057\u305f\u65b0\u3057\u3044 Mac \u30e2\u30c7\u30eb\u306f\u3001\u73fe\u5728\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b macOS \u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u306a\u304f\u3001\u5de5\u5834\u51fa\u8377\u6642\u306e\u72b6\u614b\u306b\u30ea\u30bb\u30c3\u30c8\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u65b0\u3057\u3044\u72b6\u614b\u306b\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u308b\u305f\u3081\u3001Mac \u306e\u8ca9\u58f2\u3084\u5bc4\u4ed8\u3092\u8a08\u753b\u3057\u3066\u3044\u308b\u65b9\u306b\u6700\u9069\u3067\u3059\u3002<\/p>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3><strong>1. macOS \u3092\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u5f8c\u3082 Time Machine \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b?<\/strong><\/h3>\n<p>macOS \u306e\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u4f5c\u6210\u3055\u308c\u305f Time Machine \u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304b\u3089\u5fa9\u5143\u3059\u308b\u3068\u3001\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3059\u308b\u524d\u306b\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7 \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u304b\u3001\u91cd\u8981\u306a\u30d5\u30a1\u30a4\u30eb\u3092\u624b\u52d5\u3067\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><strong>2. \u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3044 macOS \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c Mac \u3067\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3069\u3046\u306a\u308a\u307e\u3059\u304b?<\/strong><\/h3>\n<p>\u4e92\u63db\u6027\u304c\u306a\u3044\u5834\u5408\u306f\u3001OpenCore \u306a\u3069\u306e\u30c4\u30fc\u30eb\u3092\u4f7f\u7528\u3057\u3066\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3057\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u552f\u4e00\u306e\u624b\u6bb5\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5927\u5e45\u306b\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u306b\u7559\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3><strong>3. \u81ea\u5206\u306e Mac \u3068\u4e92\u63db\u6027\u306e\u3042\u308b macOS \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3069\u3046\u3059\u308c\u3070\u308f\u304b\u308a\u307e\u3059\u304b?<\/strong><\/h3>\n<p>Mac \u306e\u5143\u306e\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u7bc4\u56f2\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001<a href=\"https:\/\/support.apple.com\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">Apple \u30b5\u30dd\u30fc\u30c8<\/a>\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3001\u30e2\u30c7\u30eb\u3092\u691c\u7d22\u3057\u3066\u30ea\u30ea\u30fc\u30b9\u5e74\u3092\u8abf\u3079\u307e\u3059\u3002\u3053\u308c\u3092\u3001\u305d\u306e\u6642\u70b9\u3067\u5229\u7528\u53ef\u80fd\u306a macOS \u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3068\u76f8\u4e92\u53c2\u7167\u3057\u307e\u3059\u3002<\/p>\n<p><a class=\"xiaomi\" href=\"https:\/\/www.howtogeek.com\/737510\/how-to-download-and-install-older-versions-of-macos\/\" rel=\"noopener noreferrer nofollow\" target=\"_blank\">\u30bd\u30fc\u30b9<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30af\u30a4\u30c3\u30af\u30ea\u30f3\u30af \u59cb\u3081\u308b\u524d\u306b macOS\u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u65b9\u6cd5 \u8d77\u52d5\u53ef\u80fd\u306aUSB\u30c9\u30e9\u30a4\u30d6\u306e\u6e96\u5099\u3068\u4f5c\u6210 Mac\u306bmacOS\u3092\u6700\u521d\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b \u53e4\u3044Apple\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u6700\u9069 \u307e\u3068\u3081 Mac App Store \u307e\u305f\u306f Apple \u306e\u30b5\u30a4\u30c8\u304b\u3089\u306e\u76f4\u63a5\u30ea\u30f3\u30af\u3092\u901a\u3058\u3066\u3001macOS \u306e\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u3044\u304f\u3064\u304b\u306e\u7c21\u5358\u306a\u30bf\u30fc\u30df\u30ca\u30eb \u30b3\u30de\u30f3\u30c9\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30fc \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3001\u8d77\u52d5\u53ef\u80fd\u306a USB \u30c9\u30e9\u30a4\u30d6\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002 USB \u30c9\u30e9\u30a4\u30d6\u304b\u3089\u8d77\u52d5\u3057\u3001\u30b7\u30b9\u30c6\u30e0 \u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u6d88\u53bb\u3057\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u5f93\u3063\u3066\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e macOS \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002 \u53e4\u3044 Mac \u3092\u304a\u6301\u3061\u3067\u3001\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3092\u518d\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u307e\u305f\u306f\u30c0\u30a6\u30f3\u30b0\u30ec\u30fc\u30c9\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u306e\u30ac\u30a4\u30c9\u3067\u52b9\u679c\u7684\u306a\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002 \u59cb\u3081\u308b\u524d\u306b \u4e92\u63db\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u91cd\u8981\u3067\u3059\u3002macOS \u306e\u3059\u3079\u3066\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u3059\u3079\u3066\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u69cb\u6210\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65b0\u3057\u3044 macOS \u30ea\u30ea\u30fc\u30b9\u3067\u306f\u3001\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u5ec3\u6b62\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u540c\u69d8\u306b\u53e4\u3044\u30ea\u30ea\u30fc\u30b9\u3067\u306f\u65b0\u3057\u3044\u30e2\u30c7\u30eb\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u306a\u3044\u306e\u304c\u4e00\u822c\u7684\u3067\u3059\u3002 \u305f\u3068\u3048\u3070\u3001M4 MacBook Pro (2024 \u5e74\u30ea\u30ea\u30fc\u30b9) \u3092\u304a\u6301\u3061\u306e\u5834\u5408\u3001\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30ea\u30ea\u30fc\u30b9\u6642\u306b\u5229\u7528\u3067\u304d\u306a\u304b\u3063\u305f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304c\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u306a\u3044\u305f\u3081\u300115 Sequoia \u3088\u308a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e macOS \u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002 \u304a\u4f7f\u3044\u306e Mac \u306b\u4ed8\u5c5e\u3057\u3066\u3044\u308b\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u78ba\u8a8d\u3059\u308b\u306b\u306f\u3001Apple \u30b5\u30dd\u30fc\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u30e2\u30c7\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u306f\u3001\u5de6\u4e0a\u9685\u306b\u3042\u308b Apple \u30ed\u30b4\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u3001\u300c\u3053\u306e Mac 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