Or trying another better solution - to extend system drive using EaseUS free partition software. If not, you can try to clean up junk files to free up some disk space using Windows 10 disk cleanup. Low disk space on the system disk will slow down the PC and even cause random Windows 10 freezing issue, so first, please make sure that you have enough free disk space on the C drive. See the following solutions to troubleshoot Windows 10 computer freezing randomly. Quick Fixes for Windows 10 Computer Freezing Randomly
