This data is stored in the prefetch folder. Every time you start your computer, Windows keep a track of which programs start automatically at the startup and which programs you use more frequently. Prefetch data is one type of data used by Windows Applications that you can safely delete. Just tick off the radio box against the kind of data you want to remove.Īpart from the data pertaining to Windows Explorer and web browsers, you also get the option of deleting other files. By installing an easy-to-use PC cleanup software tool, you can delete unwanted data with a click of your mouse.

Such types of data, as well as many other different types, usually outlive their usefulness within a day or two of their use. Similarly, the Windows Explorer uses disk space and RAM for maintaining a record of recent documents, Run data in the Start Menu and other Explorer MRUs, Taskbar Jump Lists, Thumbnail Cache, and Network Passwords. To understand PC optimization, let’s start with an example how a computer accumulates system files and data which need to be deleted or optimized from time to time.Īll internet browsers occupy hard disk space to maintain temporary internet files, history of visited websites, cookies, backup of recently typed URLs, last download location, Index.dat files, and autocomplete form histories. Files and other system data that must be deleted regularly Download a free version of such a software from a reputable site or purchase a pro version and run the application to delete old data. Using a PC optimization software tool is an effective way to remove unneeded data from the hard drive and improve Windows performance.

What are explorer mrus