MIT APP inventor desktop setup

Dear I downloaded the app and installed without any error but I cant find the app to start to get the programming , I just can start the Ai Starter
I need your help

to enter App Inventor, login here http://ai2.appinventor.mit.edu/
see also http://appinventor.mit.edu/explore/get-started
Taifun


Trying to push the limits! Snippets, Tutorials and Extensions from Pura Vida Apps by Taifun.