
But I can confirm that we offer Adobe Reader for iOS version 11.0.1 that is compatible with iOS 5 in the App Store. The documentation itself is not very helpful. Look for contact information on the app's product page in the App Store or Mac App Store. If a compatible version isn't available, you can try contacting the app developer. Install the latest compatible version of an app on an earlier version of iOS or OS X - Apple Support Here is the Apple documentation that I've found.

Please switch back to your iPod Touch and try installing Adobe Reader using the same Apple ID again.

It sounds like you have already tried iTunes on your computer.

Here's what you can do for an experiment. Have you ever successfully installed an older version (not the latest version) of Adobe Reader for iOS on the iPod Touch using your Apple ID before? If you have never installed Adobe Reader using the particular Apple ID, it may explain why you keep getting the dialog with the OK button (i.e.
