Temp Files are a very important feature of Windows Operating System. It is basically a Folder which is named as ‘Temp files’ stored in Windows Directory. This folder contains all the necessary information of programs and applications which use it for their start up and running. With this information available in applications, it takes lesser time to load. However it is recommended to cleanup temp files periodically to free up additional disk space. Follow this step by step guide to learn how to delete temp files in Windows 7 automatically at every startup.