Special optimization apps promise to fix your PC, but you don't need them—PowerShell can do it better.

Sometimes when something breaks in Windows, I skip the Settings app and go straight to Command Prompt. Five built-in commands handle the bulk of common problems - repairing corrupted system files, ...

While the fix might not be obvious, it should only take a few minutes to get back up and running. One of the most underappreciated Windows features is the operating system's ability to cache network ...