What to delete in C:\Windows?

Question

Windows

Hello.
The folder with Windows has become indecently large (50GB), I suspect that it's about updates or temporary files. What can be removed from it?
Windows 7 x64
The same Windows (but younger) on another computer takes me a little less than 30GB.

Answer 1

The whole problem is in Windows DLL Hell - an inherent flaw in all Windows. Nothing can be deleted without the risk of breaking the software. So that Windows does not swell, you just need not to install or update software.

Answer 2

Clean Up the WinSxS Folder
One of the options:
I'm sorry, but this method will not work for you (you have windows 7).

Answer 3

You can delete downloaded updates:
C:\Windows\SoftwareDistribution\Download\

Answer 4

Did you clean the disk with a standard utility (with cleaning system files)?
By the way, to all those who complex about the size of the 10s.
27.2 GB (29,222,506,496 bytes)
this is after: 8.1 - upgrade with a key to 8.1pro - upgrade to 10.
After a month of work, I cleared the disk from previous copies of windows with a standard utility.
I have been working for 5 months, updates are installed as soon as the system asks.

Answer 5

No matter how trite it sounds - run cleanmgr... starting with Win 7, it has learned how to correctly remove obsolete service packs (which are in the C:\Windows\winsxs folder). By any thoughtless deletion by handles, you can bring the system into an idle or extremely unstable state ...
+ clean up the TEMP directory and move it to the root of a drive, for example D:\Temp ...).
As I understand it, the author began to run out of free space on the C drive, therefore it is also desirable to remove the profile folder from the system partition (well, or at least "Desktop" and "My Documents" and all the Multimedia and Downloads folders)
In order not to act blindly - download the toolkit for yourself ( https://www.jam-software.and look where you bastards hid ... :)