All of this would be stored in the C drive. Cache, temp, and log files: While running, your system would store all kinds of temporary, cache, and log files to provide a faster experience.The C drive is where all the data in Recycle Bin is stored. Junk: When we delete something, it is moved to the Recycle Bin instead.The more the apps, the more space they would consume. App data: You might have installed tons of programs and applications on your system's C drive.Apart from that, it also stores important data related to your computer as well. System files: This is the most important part of the C drive as it consists of the vital firmware component.Apart from the usual content, it can consist of the following things: While the drive letter might vary, in most cases, Windows is installed on the 'C' partition. Part 3: Bonus: How to Get Data off an Old Broken Hard Drive?īefore we start, it is important to note that we have referred the 'C' drive as the partition where Windows is installed.