If you follow these steps you should get your game immediately
1. Go to: http://uplay.ubi.com and download Uplay client
2. Install Uplay Client on your PC
3. Start the application, login with your Account name and Password (create one if you don't have)
4. Please follow these instructions to activate a new retail purchase on Uplay:
- Click the Settings
- Choose Activate Product
- Follow the onscreen instructions to complete the process