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Deleting Previous Windows Files in Disk Cleanup

Created: 2025-08-21

Updated: 2025-08-22

Created: 2025-08-21 20:13

Updated: 2025-08-22 00:10


The item to delete previous Windows files didn't appear in the temporary files after the update since last week. This has happened twice including today.


Deleting Previous Windows Files in Disk Cleanup


So, I asked Copilot to find another way, and it even taught me things like DOS, but I was finally able to find the answer in Disk Cleanup.



Deleting Previous Windows Files in Disk Cleanup


First, open Disk Cleanup. Confirm that C is selected and click OK.



Deleting Previous Windows Files in Disk Cleanup


Then, press the marked part. Then, confirm that C drive is selected again and click OK.






Then it scans the C drive, and capturing doesn't work from this process. After the scan is complete, it asks which items to delete, and it's finished by checking 'Previous Windows installation(s)' and proceeding with the deletion. During the process, a window like this pops up one more time: 'If you delete these files, you cannot go back to the previous Windows. Are you sure you want to proceed?' Then, press OK and finish the deletion.


It's so inconvenient to find and solve it through Disk Cleanup like this because it doesn't appear in Settings. I hope it gets back to normal soon. (Of course, it does come out if you only type D after the Windows key + S shortcut)

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