Q:
How to Run a Full Version of PDF Reader Pro?
A:

Access a full version of PDF Reader Pro to enjoy the advanced features:

1. Open the app and click Upgrade on the sidebar.

Download PDF Reader Pro Free, subscribe 6-Month license or purchase the permanent license to experience advanced features. 2. Then a comparision table between free and paid version pops up, and there are  two plans you can choose, 6-Months and One-time Purchase.

3. Finish your payment and enjoy the advanced features of PDF Reader Pro.

4. If you cannot run the full version after the purchase, please go to your Microsoft Account and check your Order History whether you have purchased inside the app.