How does Win10 system prevent adding MicroSoft accounts and logins

Specific method:
(At the same time, there is a flashback when the user adds or associates with the Microsoft account. The following settings take effect!)
1. Press the WIN+R button to bring up the Run dialog box, then enter Gpedit.msc carriage return;

2, then open “computer configuration"——“Windows settings”——“security settings”——“local Strategy”——“Security Options 

3. In the list on the right, find the "Accounts: Block Microsoft Accounts" option, double-click to open, set to “ Users cannot add Microsoft Sign in or use this account to sign in & rdquo; and OK.