How to Safely Clear Temp, %Temp%, and Prefetch Files in Windows

As you use your Windows computer, your operating system and applications create temporary files to store data for short-term use. Windows also creates "prefetch" files to help your most-used programs launch faster. Over time, these files can accumulate, taking up valuable disk space and sometimes even causing minor performance issues. Cleaning them out is a great piece of digital housekeeping. This guide will show you two safe methods to clear these files and reclaim your storage. What Are Temp and Prefetch Files? Before we start deleting, let's quickly understand what we're clearing: %temp% (User Temp): This is a folder (located at C:\Users\[YourUsername]\AppData\Local\Temp ) where your user-specific applications store their temporary files. temp (System Temp): This folder (usually C:\Windows\Temp ) is where Windows and system-level services store their temporary files. prefetch : This folder ( C:\Windows\Prefetch ) contains small files that help Windows open yo...