Anno 2070 is a city-building and economic simulation game, with real-time strategy elements. It is the 5th game of the Anno series. It was released on 17 November 2011, and was co-developed by the German studios Related Designs and Ubisoft Blue Byte, and published by Ubisoft. Anno 2070 requires Uplay to operate.
Go to: http://uplay.ubi.com and download Uplay client.
Install Uplay Client on your PC.
Start the application, login with your Account name and Password (create one if you don't have).
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.