1. Go to your WordPress Dashboard.

2. Go to "China Payments  Plugin-> Account".

3. Click on "Sync License".

4. A button will appear saying "Download the pro version".

5. Download the new version.

6. Go to "Plugins->Installed Plugins" and remove "China Payments Plugin (Premium)".

7. Click on "Plugins->Add New".

8. Click on "Upload Plugin".

9. Select the downloaded file.

10. Click on "Activate".