On both Windows 10 and 11, Windows. old and other previous operating system files are deleted automatically 10 days after the upgrade. [1] X Trustworthy Source Microsoft Support Technical support and product information from Microsoft. Go to source You can delete Windows. old early to reclaim several gigabytes of disk space. Just keep in mind that you won’t be able to downgrade to your previous Windows version if you change your mind.

On both Windows 10 and 11, Windows. old and other previous operating system files are deleted automatically 10 days after the upgrade. [1] X Trustworthy Source Microsoft Support Technical support and product information from Microsoft. Go to source You can delete Windows. old early to reclaim several gigabytes of disk space. Just keep in mind that you won’t be able to downgrade to your previous Windows version if you change your mind.

If you don’t see this option but still have a Windows. old folder, use this method to delete it. Remove the checkmarks from any other file types that you don’t want to delete. For example, if you don’t want to delete the files in your Downloads folder, remove the checkmark from the “Downloads” box.

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On Windows 8, 10, and 11, you can press Windows key + S, type cleanup, and then click Disk Cleanup. You can also press Windows key + R, type cleanmgr, and press Enter. Another way is to open the Control Panel, select “System and Security”, click “Administrative Tools, then select Disk Cleanup.

If you don’t want to delete any other files, remove the checkmarks from other selected options now. If you don’t see this option but still have a Windows. old folder, see this method.

If your Windows. old folder is not on the C drive, replace C: with the correct drive letter.

If your Windows. old folder is not on the C drive, replace C: with the correct drive letter.