
The tool will recalculate your space savings, but this time include a new option - Previous Windows installation(s). Select your system drive once more, and click the OK button again. Ignore this for now and instead click on the Clean up system files button. The tool will calculate how much space can be regained. Make sure your system drive is selected, and click OK.

Right-click the Disk Clean-up entry, and select Run as administrator. The first is by clicking Start and typing Disk Cleanup. There are two ways you can get your disk space back.

