Alt + F4 is a Windows keyboard shortcut that closes the application you're currently using. Here's how it works and what to do when it isn't working.

There are different ways to change the screen brightness, but the easiest way is to use the function keys. PCs of different brands have different function keys to control screen brightness. In this ...

If the Left Alt key and Windows key are swapped on your Windows 11/10 system, use the solutions provided below to fix this problem. Before you proceed, restart your computer and see if it helps.