WorldWide Tech & Science. Francisco De Jesùs.Singing in to Windows 8 with a Windows Live ID. Video.Signing in with an ID allows you to:Associate the most commonly used Windows settings with your user account. Saved settings are available when you sign in to your account on any Windows 8 PC. Your PC will be set up just the way you are used to!Easily reacquire your Metro style apps on multiple Windows 8 PCs. The app’s settings and last-used state persist across all your Windows 8 PCs.Save sign-in credentials for the different apps and websites...