WHMCS allows you to preview a template before making it live.

This is done using the ?systpl=xxxx url parameter.

For example, if your new theme was named ‘mytemplate’ and your WHMCS client area was located at http://www.yourdomain.com/whmcs/, you would navigate to:


The template will be stored for the duration of your browser session allowing you to exercise all areas of the client area with your new theme.

Making your template live

Once you’re happy with your new template and are ready to make it live, follow the steps below:

  1. Login to the Admin Area
  2. Navigate to Setup > General Settings
  3. Under the Template setting on the General tab, select the name of the template you created above
  4. Hit Save Changes and visitors to your site will immediately begin seeing your new template