After entering the session code and clicking join the following will display regardless of the web browser being used:
After the above displays options will differ depending on the web browser being used. See below for further instruction based on web browser type
Click run again and the session will start
Click the drop down arrow to the right "discard" and click "keep".
The above box will display. Click "Run" again and the application should launch. In some instances you may be prompted one more time, simply click on the "Run" option again.
Fire Fox and Safari are similar to the above except the file downloads are access via a down pointing arrow in the top right corner of the screen.