To use the iPad Presenter App you will need to retrieve your access key code from your Design Center account.
Please follow the below steps to view your access key code:
1. Access Design Center
2. Select the drop down link next to your name in the upper right hand corner
3. Select the 'Profile' link
4. Scroll down the page, and on the left side bar of the screen you will see 'Additional Account Info' in red font. Your iPad Access Key is displayed in this section.
5. Copy this code and paste it into the iPad Presenter App.
Please select the below link to view a short video that will walk you through these steps in Design Center: