Prefetch files are temporary files containing information about application programs, which helps in quicker loading of programs. Each time you open a program, an associated prefetch file is created. That file is used for quicker loading of program, next time you try to run it. You can
What is Prefetch files Folder in Windows
Windows operating system create lot of temporary files while usage. Prefetch files are one set of temporary files that help in better and faster loading of Windows and other program installed on it. Every time you open a program, the loading information is stored in set of prefetch files.