Use this page to update existing Windows or Macintosh RATS licenses to version 10.1.
Note: If your serial number begins with WX (Windows) or MX (Macintosh), you have the Professional version. If it begins with WE, WP, WS (Windows), MP, or M2 (Macintosh), you have the standard version.
You might also be interested in one or more of our e-courses.