How to change password timeout [Sign in time] in Windows 10
To customize Sign out time, type “sign-in options” into the search box then open the first result. In
the Settings window, you’ll see “Require sign-in.” It’s where you can select your password timeout time. The drop-down option lets you select never to require sign-in too select only if you do not want to.
Other wise select any preferred time you want to sign to your computer after certain period of inactivity.