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".