How to clean up your local C drive to create more space....

hey friends, now a days everyone using the computer but  anyone knows how my c drive is automatically get filled up,
actually i got an idea that is the windows is automatically creating some shadow files for the restoration of the OS. this is the reason due to which our c drive is automatically get filled, i will show you a video in this i will teach u how to free some good space in the c drive. please watch the video very carefully. hope u like it, and if you have any quarries regarding your windows please comment your problem.i will help you out.....................