So, how to increase c drive space in windows 10 from unallocated space? In this article, we’re going to show you how to extend C drive in Windows 10 without formatting or losing any data but just using other drives’ unallocated space. The best solution to the low disk space problem is extending the space of the C drive from the unallocated space of others drives. But, oftentimes the disk space allocated for C drive is not enough.

As a result, the free space of C drive is an asset needed for the computer to run without problems.

All the saved files, app data, and temporary files are saved here. Almost in all cases, the C drive is the main drive where the Windows operating system is installed.