How to change login page background?

To change the background of the Admin Login Panel and User Login Panel, navigate to:
System Settings > General Settings

In General Settings, you will find the third option called “Login Page Background”.

This feature allows you to change the background for both the Admin Login Panel and User Login Panel.

Click on the Update button for the login background you want to change.
A background selection modal will open.
Choose the desired image for the background.
Save your changes, and the admin and user panel backgrounds will be successfully updated.