Buzz
When upgrading to Windows 10, your previous Windows version is retained as the Windows.old folder, allowing you to revert if necessary. However, this can consume significant storage space. To prevent this, follow these steps to delete the Windows.old folder:
Step 1: Typically, the drive where the operating system is installed is the C drive. Therefore, all data, including the Windows.old folder, is located on the C drive. Right-click on the C drive -> Properties:
Step 2: In the resulting window, select Disk Cleanup:
