How to Change the LifterLMS Password Strength Requirements
In LifterLMS, you can find the password strength settings under LifterLMS > Forms. Click “Edit” under the form you’d like to change the password strength settings on.
Click into the ‘Password’ field and that will pop up the panel on the right-hand side of the screen with an option to set the minimum password strength.
Note: On newer versions of WordPress, you will first need to click the three dots on the Password block, and then click “Detach.” This will allow you to edit the settings on the block.