I presume you're referring to http://www.tersus.com/#Id=5414.
Note that the tutorial title, contains information on the version required (version 2.0.11 or higher).
You'll need to update your studio to the latest version (currently 2.1.1) to be able to follow the tutorial. See http://www.tersus.com/#Id=239 for upgrade instructions (make sure to add the latest update site).
For best results, use the Firefox browser..