Below are the instructions for Pearson TestNav on an iPad for 2016. Please follow all the steps.
IMPORTANT! - If TestNAV was installed last year, it will need to be uninstalled first by performing the following steps:
Tap and hold the Pearson TestNav App icon
Tap the "x" in the upper right corner of the TestNav App icon
Press the Home button
Installing TestNAV via the Apple App Store
Make sure you have a valid Apple ID and Password
Open the Apple App Store (icon to the right)
In the Search field type "TestNAV"
Touch "testnav" or "Pearson testnav"
Touch the Cloud icon to download
Touch "Open" to confirm installation
Close the App