How to Enable Password Complexity Requirements In Windows 10 Pro
How do I enable complex passwords in Windows 10?
Enable password complexity requirements.
To do this, select Enabled under the option “Password must meet complexity requirements.” Once enabled, your password complexity requirements for users of that computer are set.
How do I enable password complexity?
Configure the policy value for Computer Configuration >> Windows Settings -> Security Settings >> Account Policies >> Password Policy >> “Password must meet complexity requirements” to “Enabled”.