1. Copy the key you have got after transaction. You can find the key in your profile on the site Oplata.info:
2. Firstly, you will need to download and install Uplay, Ubisoft’s download and games manager software. It’s available from here.
3. Run the Uplay application and log in to your existing account or create a new one:
4. On the top right cog, click "Activate Product". A product activation dialog box will pop up. Type the Uplay code exactly as it appears in your profile on the site Oplata.info and click "OK":
5. Success! Your game will be activated and binded to your Uplay account. Just click "Activate".