Microsoft's official website has an introduction to how to delete the windows.old folder: How to delete the windows.old folder? 1. Can "windows.old" be deleted? The "windows.old" folder contains the "windows" of the system before upgrading to win10. 4. Clean up large files: windows.old Risk level: Low Impact level: Roll back system version windows.old: It is a folder that backs up important files in the old system when the computer is reinstalling the system. It is located in the C drive of the new system. The function is to. After the computer was upgraded from window 10 to window 11, I found that the remaining space on the system c drive was much smaller, so I checked it and found a window.old that took up a lot of space. This folder is the old system file. If you are not ready to roll back to the previous.
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After updating the windows 11 system, there will be an additional [windows.old] folder in the local disk (c drive). This folder is used to store the previous windows 10 system and is used for rollback. If deleted, it will not be rolled back. After upgrading the windows system, I found that there is an additional windows.old folder in the c drive. At this time, we do not have permission to directly click on it to delete it and cannot delete it. So, how can we delete it? method.
