{"id":12866,"date":"2026-02-14T16:24:32","date_gmt":"2026-02-14T16:24:32","guid":{"rendered":"https:\/\/howtogeek.blog\/it\/?p=12866"},"modified":"2026-02-14T16:24:32","modified_gmt":"2026-02-14T16:24:32","slug":"come-espandere-la-dimensione-della-memoria-virtuale-su-windows","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/it\/come-espandere-la-dimensione-della-memoria-virtuale-su-windows\/","title":{"rendered":"Come espandere la dimensione della memoria virtuale su Windows"},"content":{"rendered":"<p>Quando la RAM ridotta non riesce a gestire tutto, Windows riesce comunque a far funzionare il sistema utilizzando un file di paging, una sorta di RAM di backup sul disco rigido. Questa memoria virtuale entra in funzione quando i processi attivi richiedono pi\u00f9 di quanto la memoria fisica possa fornire, il che \u00e8 fastidioso ma in un certo senso necessario. Se si notano rallentamenti, crash o blocchi anomali, aumentare la memoria virtuale potrebbe essere la soluzione. Ma ecco il problema: s\u00ec, aumentare il file di paging pu\u00f2 aiutare, ma impostarlo troppo alto pu\u00f2 rallentare ulteriormente il sistema perch\u00e9 il computer deve scambiare dati avanti e indietro tra l&#8217;archiviazione e la RAM. Ha senso? Probabilmente no, ma Windows \u00e8 fatto cos\u00ec: rende sempre le cose pi\u00f9 difficili del necessario.<\/p>\n<h2>Come aumentare la dimensione della memoria virtuale?<\/h2>\n<h3>Regolazione manuale della memoria virtuale in Windows<\/h3>\n<p>Nella maggior parte dei casi, Windows si imposta di default su un minimo piuttosto decente, ma se sei un utente esperto o utilizzi app pesanti, apportare modifiche pu\u00f2 fare la differenza. Ecco cosa fare. Per prima cosa, devi accedere alle impostazioni di sistema avanzate: \u00e8 qui che avviene la magia. Apri la finestra di dialogo Esegui con <kbd>Win + R<\/kbd>e digita <code>systempropertiesadvanced<\/code>. Premi Invio. Si aprir\u00e0 la scheda Avanzate delle propriet\u00e0 di sistema.<\/p>\n<ol>\n<li>Una volta l\u00ec, trova la sezione Prestazioni e clicca su <strong>Impostazioni<\/strong>.<\/li>\n<li>Passa alla scheda <strong>Avanzate<\/strong> (perch\u00e9, ovviamente, a Windows piace farci saltare da una parte all&#8217;altra).In Memoria virtuale, fai clic su <strong>Cambia<\/strong>.<\/li>\n<li>Ecco la parte complicata: deseleziona <strong>Gestisci automaticamente le dimensioni del file di paging per tutte le unit\u00e0<\/strong>. Altrimenti, Windows continuer\u00e0 a lavorare in background, il che non \u00e8 sempre l&#8217;ideale.<\/li>\n<li>Ora, seleziona l&#8217;unit\u00e0 su cui desideri aumentare il file di paging, probabilmente l&#8217;unit\u00e0 C:.Scegli &#8221; <strong>Dimensione personalizzata<\/strong> &#8220;.Per la dimensione iniziale e massima, devi inserire i valori in MB.<\/li>\n<\/ol>\n<p> <!-- Here's where details matter. Usually, the advice is to set the initial and max size to around 1.5 to 3 times your RAM. So, if your machine's got 8 GB (that's 8192 MB), you could try something like 12288 MB (which is 12 GB).But every setup is different\u2014sometimes, setting it too high can slow things down, and on others, it just fixes the lag. It\u2019s a bit of trial and error.<\/p>\n\n \n\n<p>Type those numbers in, click <strong>Set<\/strong>, then <strong>OK<\/strong> your way out. Restart your PC if prompted. Usually, after doing this, system performance should get a slight boost, especially if your RAM was maxed out before or you saw lots of disk thrashing.<\/p>\n\n \n\n<p>If you notice your system still acting sluggish, consider lowering the pagefile size a bit or playing around with different values. Sometimes, on newer systems or those with loads of RAM, you might not need to beef it up at all. On older machines, however, a bigger pagefile can save the day\u2014or cause new issues. It's all about finding that sweet spot.<\/p>\n\n \n\n<h3>Bonus tip: Keep an eye on your system performance<\/h3>\n\n \n\n<p>If you don\u2019t trust just blindly changing settings, you can monitor how your virtual memory is doing. Head to <strong>Task Manager<\/strong> (<kbd>Ctrl + Shift + Esc<\/kbd>), go to the <strong>Performance<\/strong> tab, and click on <strong>Memory<\/strong>. You\u2019ll see how much VM is in use, and if your drive is constantly thrashing, that\u2019s a sign the pagefile might need tweaking.<\/p>\n\n \n\n<p>One side note\u2014sometimes, Windows gets weird and refuses to change the pagefile or reverts back after reboot. If that happens, run your powershell as admin and check your settings with <code>Get-CimInstance -ClassName Win32_PageFileUsage<\/code>. Or, for more advanced stuff, mess with the registry (found at <strong>HKEY_LOCAL_MACHINE\\\\SYSTEM\\\\CurrentControlSet\\\\Services\\\\nvlddmkm\\\\Parameters<\/strong> if you know what you\u2019re doing).As always, backup first.<\/p>\n\n \n\n<p>And in cases where things are still wonky, a quick reboot after making changes helps, since Windows sometimes doesn\u2019t update immediately.<\/p>\n\n \n\n<h2>How Do Pagefiles and Paging Work?<\/h2>\n\n \n\n<p>The idea \u2013 Windows uses virtual memory addresses, which get translated into real RAM addresses via the Memory Management Unit. When the physical RAM isn\u2019t enough, Windows \"pages out\" parts of memory\u2014basically moves some to your storage drive, which is slow but better than crashing. These pages are stored in <strong>pagefile.sys<\/strong>.<\/p>\n\n \n\n<h3>Why Are Pagefiles Necessary?<\/h3>\n\n \n\n<p>Their main job is to hold those idle or less critical pages, freeing up RAM for what\u2019s really needed now. But they also help in crash dumps, which are useful for debugging when things go sideways, and they prevent crash problems caused by exceeding the commit limit\u2014meaning, the total of RAM plus virtual memory runs out. On some setups, raising the pagefile size prevents these kinds of freezes or crashes. Because, obviously, Windows has to make things more complicated than necessary.<\/p>\n\n \n\n<h2>The Risks of a Too Large Pagefile<\/h2>\n\n \n\n<p>Sure, bigger sounds better, right? But it can backfire. When the pagefile gets overblown, your drive's always swapping stuff, which adds lag, especially on HDDs. It\u2019s kinda like trying to run a marathon on a treadmill\u2014if you set the speed too high, things are just gonna slow down to a crawl. In addition, having a huge pagefile on an SSD can ironically lead to drive wear over time, especially if it\u2019s constantly writing a bunch of data. Not guaranteed, but worth keeping in mind.<\/p>\n\n \n\n<h2>How Much Is Enough?<\/h2>\n\n \n\n<p>While 1.5 times your RAM is a good starting point, the best way is to see what your system actually needs. If you\u2019re maxing out RAM all the time, bump that value up. If not, try dialing it back. For crash dumps, go for at least your RAM size + 1 MB, and for kernel dumps, about one-third of RAM should do it. But honestly, just experimenting and watching your system in Task Manager turns out to be best for the average user.<\/p>\n\n \n\n<p>Letting Windows handle it dynamically can sometimes be enough. But if performance is still crap or you're customizing for specific workloads, a manual tweak might be better\u2014trial and error, with a cautious eye on speed and stability.<\/p>\n\n \n\n<h2>Summary<\/h2>\n\n \n\n<ul> \n\n<li>Adjust virtual memory in <strong>System Properties<\/strong> under the <strong>Advanced<\/strong> tab.<\/li>\n\n \n\n<li>Set custom sizes based on your RAM; start with 1.5x or try more if needed.<\/li>\n\n \n\n<li>Monitor performance via <strong>Task Manager<\/strong>.<\/li>\n\n \n\n<li>Avoid setting the pagefile too high or too low\u2014balance is key.<\/li>\n\n \n\n<li>Reboot after changes to make sure everything sticks.<\/li>\n\n <\/ul>\n\n \n\n<h2>Wrap-up<\/h2>\n\n \n\n<p>Getting your virtual memory sorted isn\u2019t always fun, but it\u2019s often the secret sauce behind smoother performance, especially on older or memory-starved machines. Play around with the settings, keep an eye on how your system reacts, and don\u2019t forget to reboot to apply those changes. Sometimes, a little tweak really does make all the difference. Fingers crossed this helps someone get that little boost needed to avoid constant lag or crashes.<\/p>\n\n --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quando la RAM ridotta non riesce a gestire tutto, Windows riesce comunque a far funzionare il sistema utilizzando un file di paging, una sorta di RAM di backup sul disco rigido. Questa memoria virtuale entra in funzione quando i processi attivi richiedono pi\u00f9 di quanto la memoria fisica possa fornire, il che \u00e8 fastidioso ma [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12866","post","type-post","status-publish","format-standard","hentry","category-how-to"],"acf":[],"_links":{"self":[{"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/posts\/12866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/comments?post=12866"}],"version-history":[{"count":1,"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/posts\/12866\/revisions"}],"predecessor-version":[{"id":12867,"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/posts\/12866\/revisions\/12867"}],"wp:attachment":[{"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/media?parent=12866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/categories?post=12866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/howtogeek.blog\/it\/wp-json\/wp\/v2\/tags?post=12866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}