You can create a desktop shortcut to a specific profile in Firefox using this tutorial. Open two Firefox profiles open at the same time using this guide.

There are several built-in keyboard shortcuts in Windows, but you can create new custom keyboard shortcuts for programs or apps. Learn how.

The second and less-imaginatively-named Shortcut Guide allows you to bring up a cheat sheet of available keyboard shortcuts for whatever app is currently active, including the Windows 10 desktop ...

Want smaller icons on your PC? This guide shows you how to change desktop icon size in Windows 10 quickly and simply.