If you’re ever asked for an activation key or activation code during your game session, you should be able to locate your key within the Uplay PC application.
2. From the menu, select Account Information
3. Inside your Account Information page, select My Games
4. Here you can see a list of the games you own on your account
5. Find the game that you need and then select Show Key
6. You can easily copy/paste the key using the buttons displayed