How to use WINDOWS DISK CLEANUP

In our computer's temporary files are affecting our computer speed so how to fix it using windows hidden software First click start and type "DISK CLEANUP" in the search box Select the disk cleanup On the disk cleanup software select the drive you want to clean the temporary files When selecting your's drive PRESS OK It takes some seconds to calculate the temporary files In my C Drive 231 MB Unwanted temporary files are occupying click ok to clean It asks you "are you sure,you want to delete the files" click on delete files When the green bar is finished my temporary files are deleted from i selected drive See Above the picture C DRIVE properties 70.0 GB are use space before disk cleanup See Above the picture 69.3 GB are used space and 30.0 GB are free space after the disk cleanup