Clearing your cache is one of the most straightforward all-purpose fixes, along with rebooting your device. It can fix lags, random freezes, or crashes, particularly in Windows, and it will free up storage space. Many people never do it, so we’ll show you how to clear all your caches.

Most devices have more than one cache. Your browser, for example, has a separate cache from other apps and the operating system. We’ll show you how to manage the most important caches on all platforms. Clearing the various caches should be a routine housekeeping task if you like to keep your digital tools sharp.