If you don’t plan to use your PC for a while, then you could shut down (turn off) the PC. A shutdown will close all apps, sign out all users, and completely turn off the PC. Hybrid shutdown performs a shutdown of the computer and prepares it for fast startup.
Each group in Windows has its own default rights and permissions. When a user is a member of a group, the user will be assigned the rights and permissions of the group.
Default Users and Groups Allowed to Shut Down the Computer:
This tutorial will show you how to allow or prevent specific users and groups from being able in Windows 10.