To change default hard drive from C: to D: in Windows 11/10, change the default save location for apps and files, move user ...

This post will guide you through a few tested methods to extend your system C drive in Windows 11/10/8/7/Vista/XP.

My 512GB C drive had 376Gb free (I have two 4tb SSD drives for data that are mostly full). So setting aside 10% for overprovisioning has always been a painless and useful sacrifice of space.