How to lock and log off the Win10 system computer

win10 also has the system logout, lock function. Logout cannot be used instead of restarting. It can only clear the current user's cache space and registry information, which is helpful for some software settings. How to log out and lock the computer in win10?
There are two ways to log out. One is to right click on the start menu and then click Shutdown or Logout, then click Logout to complete the logout.
The second method is to use the shortcut key [Alt+F4] to bring up the Windows window. Click here to select the lock and then enter the logout.
Deregistration.
Complete the logout. You can re-enter the system.
Lock
Use the shortcut key (WIN+L) to complete the computer lock.
The logout system sends a request to the system to clear the currently logged in user. After clearing, other users can be logged in. Lock the system and leave the computer in a hurry to prevent others from using the computer. Using the system to log out and lock, you can prevent others from using this computer.