Open Command Prompt or PowerShell and enter "wmic bios get serialnumber" to find your PC's serial number. Windows and System ...
You can find your computer's name on a Windows PC by opening the "About" menu, and on a Mac with the "Sharing" menu.
Plus: power off your PC by pressing three keys. Dennis O'Reilly began writing about workplace technology as an editor for Ziff-Davis' Computer Select ... taking your hands off the keyboard: in Windows ...