If you set up Automatic Updates to notify you, or if you forget to leave your computer on, Windows will notify you of available updates using a balloon. To avoid slow performance, we recommend a time when you will not be using the computer for other Web or e-mail tasks. You can set the Automatic Downloads feature for any time of day.
Select “ Install Updates Automatically (Recommended)”.Tap or click Choose how updates get installed.Open Windows Update by swiping in from the right edge of the screen (or, if you’re using a mouse, pointing to the lower-right corner of the screen and moving the mouse pointer up), tapping or clicking Settings, tapping or clicking Change PC settings, and then tapping or clicking Update and recovery.Configuring Automatic Updates in Windows 8/8.1
