Run Disk Cleanup. Press the Windows + R keys and type cleanmgr
Your C: drive should already be chosen. Click OK
At the bottom of this windows click Clean up system files
Yes, on C: ……. Click OK
Check the box next to Previous Windows installation(s) and anything else you choose to ( I do all of it).
Then click OK
Oh ***** … What, they think I clicked all these buttons by chance? click Delete Files