Step 1: Go to your localhost/phpbb/index.php.. Sign in your administrator username and password
Step 2: Click the Administrator Control Panel below
Step 3: Sign again with your administrator username and password
Step 4: On the administrator page. Click ".MODS"
Step 5: Now you can mod an auto mod.. on the left corner you can select what kind of auto mod you will modify. You can see that the center page has option button "YES" and "No" if you want to enable or disable the use of button