Problem with Deleting Windows.old Folder - TechNet Articles - United States (English) - TechNet Wiki

Trouble deleting Windows.old folder after upgrading from Windows Vista? Try the following steps!
 
 
1.

Problem with Deleting Windows.old Folder

Trouble deleting Windows.old folder after upgrading from Windows Vista? Try the following steps!
 
 
Open Disk Cleanup

2. Select the C: drive and click on OK
3. Click on the Clean up system files button.
 
4. If prompted by UAC, then click on Yes.

5. Repeat step 2 above.

6. Check the Previous Windows installations box, and click on OK.
 
7. Click on Delete Files.
 
8. When Disk Cleanup finishes, the C:\Windows.old folder will be deleted.