How to disable Windows auto-login
Press Windows Key+R
Type “netplwiz“, then press Enter.
In the “User Accounts” window, place a check next to (or, to disable, remove a check from) the “Users must enter a username and password to use this computer” checkbox, then click the "OK" button.
Restart the system computer and the system will prompt you to enter your password at the login screen (or not, if you enabled it)
In order to disable auto-login, the following must be true:
Settings → Sign-in options → “Use my sign-in info to automatically finish setting up my device after an update or restart” has to be disabled.
Windows Account has to have a password.