Windows includes a feature that allows the system to use your sign-in information to automatically complete the setup of your device and reopen your apps after an update or restart. This is designed to speed up the sign-in process and ensure that your device is locked afterward to help keep your account and personal information safe.
In the Settings app on your Windows device, select Accounts > Sign-in options or use the following shortcut:
Then, turn on Use my sign-in info to automatically finish setting up after an update.
