There are two ways to access the full version of PDF Reader Pro:
If you download the free version PDF Reader Pro - Free PDF Viewer, PDF Annotator, PDF Editor, PDF Converter, PDF to Word, Merge PDF, Compress PDF, PDF Creator, PDF Splitter, Adobe Fill & Sign, you need to upgrade within the app:
1. Open the app and click Upgrade on the sidebar;
2. Then a comparison table between free and pro version pops up, and there are 3 plans you can choose: 3-Months Pro License, Permanent License and Premium. Choose the best plan for yourself;
3. If you cannot run the full version after the purchase, please login your Microsoft Account and check your Order History to find out whether you have purchased inside the app.
Notice: Please make sure that the account you have logged in is the same with the one that you use to purchase PDF Reader Pro.
If you directly purchase the paid version, PDF Reader Pro - Comment, Edit, Merge, Convert, Create, Fill & Watermark PDF, you just need to login your account to download and install from the Microsoft Store.