Disable Hibernate - I have a desktop, and I prefer just three power states, sleeping, on or off.

From within the Windows 8.1 mail application, press Ctrl-C, then click Settings, then go to Accounts and under Options for your account change the 'Download Email from.' option to the last month, or even less.

See how mail above uses 514 megs of space? That's because I told it to download all my mail. Set your Windows Store Mail app to only download a month of mail.Note the difference between the screenshot above (run normally) and the one below (after clicking 'Cleanup System files.' It's found 238 megs of files from Windows Update that aren't needed. When you run Disk Cleanup as admin, as I have below, it is able to cleanup after Windows Update files.This will allow it to find and identify a lot more files for cleanup. Be sure to click the 'Clean up system files' option to run Disk Cleanup as Administrator. This app is your main line of defense and lists all kinds of things it can clean up.Now, run 'Free up disk space by deleting unnecessary files' which is the Disk Cleanup desktop app.

I don't bother with anything under 100 megs. If you click 'See my app sizes' you'll go to this screen where you can quickly uninstall apps.It'll also give you a decent idea of how your personal files take up space. You can also empty your recycle bin from here. From here you can see how much space your Windows Store apps take up, as well as pictures, Videos, etc.First 'Free up disk space on this PC' which runs full screen as a 'modern app.'.Press Windows Key + W and type 'Free up.' You'll see a few options.However, if you take a few minutes, read carefully and do even a few of these tips or just run Disk Cleanup, you'll get lots of space back. Please read carefully and with all things you find on a random blog, be careful because you have no one to blame but yourself.

I've got a 256 gig C: drive that is an SSD, but things add up and I've noticed that in the last week or so I've only got about 20 gigs free and it was feeling cramped. This is an ' updated for Windows 8.1' version of my popular original article Guide to Freeing up Disk Space under Windows 7.

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