While you use your Computer, it creates some temp file inside its system drive to store temporary data. But when your computer work finishes, your computer might forget to delete the temporary files. As a result it slow downs your system activity. But if you want you can create a temp file cleaner easily. For this follow the steps below: OPEN THE notepad AND TYPE THIS @echo off del /s /f /q c:windows emp*.* rd /s /q c:windows emp md c:windows emp del /s /f /q C:WINDOWSPrefetch del /s /f /q %temp%*.* rd /s /q %temp% md %temp% cls THEN SAVE IT AS CLEAN.BAT THEN RUN IT