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Please see the screenshot from WinDirStat. Why does Windows 10 Professional take up almost 112GB on my 256GB SSD? Is that actually normal? I've run CCleaner and Windows' in-built clean-up tool, including for system files, but it only shrank by 1GB. What else can I do to free up disk space without affecting system performance? Thanks

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Edit: Thanks guys! From what I gather, System Volume Information is the single remaining 'culprit' after the clean-up, but I'm told that, for the sake of system restoration, that's something I shouldn't remove completely. To err on the side of caution, I've put it at 7 percent of the disk size. If there's something else I could or should do, please let me know.

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nnad
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  • You are looking at your C: partition. This partition contains **all** your files and applications (usually). Windows is only contained in one subdirectory purposely named `Windows`. Look at the size of that folder. – GiantTree Jun 04 '17 at 16:19
  • Depends what you've got installed – Mokubai Jun 04 '17 at 16:19
  • So i found that the culprit might be the pagefile.sys file, as that took up some 26 GB. I went to the advanced performance settings and reduced the file's initial size to 4 GB and maximum size to 8 GB, so that freed up some 20 GB. Still, the SYSTEM (C:) takes up 92 GB now. The Windows subfolder only takes up 17.4GB. – nnad Jun 04 '17 at 17:00
  • If you want to know what’s taking up all that space, use something like WinDirStat or TreeSize. Run it as Admin for total coverage. /edit: I see that you alredy use WinDirStat. Why did you crop the screenshot? It’s absolutely meaningless this way. – Daniel B Jun 04 '17 at 17:10
  • Yeah, that's exactly what I did Daniel, i ran both of them and saw the figures, but didn't understand their meaning in actual practice. – nnad Jun 04 '17 at 17:13
  • 'Users' has hard links to user's data, sometimes on other disks even. They might be counted here too. – Aganju Jun 05 '17 at 10:47

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that's because windows uses that disk for system restore points.

if u want to get that space back then right click on computer and click properties, from there go to system protection. now click on the c drive and click configure.

now you can see how much windows is using and you can also reduce the amount that windows is allowed to store in there

Pankaz Kumar
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