Answer:
To begin with, you can load your source file to the program.
Method 1. Choose iPad Air through Settings
1. Click Settings.
2. On the top column, you will see a Profile, next click the Profile and choose the Apple iPad. At this time, you can select iPad Air H.264 HD Video/iPad Air H.264 720P Video/iPad Air MPEG 4 Video" for the latest iPad Air.
Method 2. Choose iPad Air through Profile
1. Click the drop-down list next to Profile.
2. Choose Apple iPad. Next, you can choose iPad Air H.264 HD Video, iPad Air H.264 720P Video or iPad Air MPEG 4 Video to apply for your iPad Air.