In Windows 10, the new action center is where you'll find app notifications and quick actions. On the taskbar, look for the action center icon. The old action center is still here; it's been renamed Security and Maintenance, and it's still where you go to change your security settings.

Surface devices get updates through Windows Update. Find out what's included in each update and how to manually update your Surface. Select your device from the following list to see its update history. If you don't know your Surface model, find out which Surface model you have.