Ever noticed the Fn key on your Mac or Windows computer? It serves several purposes, but you'll need to learn how to use it.

When using a Mac keyboard on Windows, the Command key serves as the Windows key. If you switched from a Mac to a Windows PC, you can use the Ctrl key to perform many Command key functions.

From Windows 95 to Windows 10, the Start Menu has gone through many iterations. The success or failure of Windows 10 could come down to a single button. After taking a three-year hiatus, the Start ...