1)Login to Plesk control panel.

2)Click on Subscriptions.

3)Click on subscription name.

4)Click on Show More option as shown bellow.

5)Click on Password-Protected Directories.

6)Click on protected directory name.

7)Then click on directory user name.

8)Enter the new password and then click on OK.

9)Here you can see the Information:The usres credentials were saved.
