Can windows.old be deleted?

"windows.old" can be deleted. "windows.old" is a backup file of the old system after the system upgrade, which is used to avoid data loss if the system upgrade fails; after the upgrade is successful, if everything is normal and other files originally saved on the system disk still exist, The folder can be deleted.

The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

windows.old is a backup file of the old system after the system upgrade, which is used to avoid data loss if the system upgrade fails; after the upgrade is successful, if it is found that everything is normal and other files originally saved on the system disk are If it still exists, you can delete the folder.

However, it cannot be deleted directly. You need to use the "system file" mode of the disk cleanup tool to process it.

View Windows.old folder

Click on the "baiFile Explorer" icon on the taskbar, navigate to "This PC" on the left, and then on the right Double-click to open the C drive and you will see the Windows.old folder.

How to delete the Windows.old folder

Start-->All Apps-->W Group-->Windows Management Tools-->Disk Cleanup, call the Disk Cleanup tool.

Make sure "C" is selected in the first window, then wait for the tool analysis to complete, and click the "Clean System Files" button in the next window.

Restart the cleaning tool, remember to select the C drive, and then the tool will re-analyze the C drive. During the analysis process, we may see the words "Scanning previous Windows installations".

Then the "Disk Cleanup for C drive" window pops up. We scroll in the "Files to be deleted" list, select "Previous Windows Installation", and click "OK".

The system will also issue a final warning: If you delete it, you will never be able to go back to the past!

Ask yourself again: "Are you sure to delete it? "If the answer is still yes, then okay, click "Yes".

The cleanup will begin, and it will end after a period of time. Look at the C drive again, and the weight loss is successful.

Recommended learning: Windows Tutorial

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