How To Safely Delete Windows.old Folder In Windows 7


One of our readers recently sent an email asking how to delete the Windows.old folder located in the system drive. As some of you know, the Windows.old folder is generated after performing custom Windows 7 installation (without formatting the existing installation) or when you upgrade from a previous version of Windows to Windows 7.

windows old image

In other words, if you install Windows 7 on a Windows Vista or XP drive or if you have upgraded from Vista to Windows 7, Windows setup creates Windows.old folder in the root of Windows 7 installation drive.

The Windows.old folder contains folders and files that were used in the earlier version of Microsoft Windows that was installed. This Windows.old folder is very useful when you want retrieve some files like documents and pictures from your old Windows installation. Additionally, this folder comes in handy if you like to revert to the earlier version of Windows from your current version of Windows.


windows old

Related: How to delete Windows.old folder in Windows 8 and backup/delete recovery partition to free up disk space in Windows 8.

If you have no important files in Windows.old folder, you can delete it to retrieve the disk space. But the problem is that Windows doesn’t let you delete the folder by simply pressing the Delete key.You need to take the help of Disk Cleanup tool to delete Windows.old folder.

Here is how you can delete the Windows.old folder safely:

Step 1: Right-click on your system drive (Windows 7 drive) and select Properties.

Local disk properties

Step 2: In the properties box, click Disk cleanup button.

disk cleanup

Step 3: If you can’t see Previous Windows Installations under Files to delete list, click Cleanup system filesbutton to see Previous Windows Installations entry in the files to delete list.

delete windows old

Step 4: Check the box and hit Ok to start cleaning the Windows.old folder. Good luck!

Step 5: Done!

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Dylan Austin


Whenever I have a problem, I sing. Then I realize my voice is worse than my problem.

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