Delete Windows.old after installed Windows 8 Consumer Preview

After installed Windows 8 Consumer Preview, it will save the original Windows folder to Windows.old. If it's no need for you, you can remove it using Disk Cleanup.


- Enable administrative tools, refer to the article "Enable administrative tools on Windows 8 Consumer Preview".

- Run Disk Cleanup from Metro Interface.


- Click "Clean up system files".


- After the system files scanned, you can check to include "Previous Windows installation(s)".


- Finally, click OK to cleanup it.