Windows update needs space for update, but my C:\Windows folder is already eating up 57,3Gb on my 128Gb SSD. I also have about 3Gb left available on the drive, and Windows Update doesn't tell me how much space it needs, just "we need more space".

I have stripped my C: drive of everything I could, and I don't know what to do now... Is there a way to download the update to my other drive which has 400Gb of free space, or something like that ?

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    What is I have stripped my C: drive of everything I could? Please be specific. – Jan Doggen Jun 12 at 13:16
  • Do you have drive compression on? - you probably need it with only a 128GB drive – Tetsujin Jun 12 at 13:18
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    Move all the personal data you can to the other drive. – Moab Jun 12 at 13:38
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    Have you done a proper disk cleanup? Any temp files, downloads, and windows.old folders will consume space quickly. Also, do you use hibernate? Learn how to turn that off and delete that file, it gets rather large over time. – SiXandSeven8ths Jun 12 at 14:33
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    Move your swap file to the hard drive. – cybernard Jun 12 at 14:50

There is an ever-ongoing discussion about if compression makes the system faster or slower, but it definitely saves space.
So compress your complete C: drive (ignore files that come up as locked), do your update, and then uncompress if you don't want it permanently.

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