Tank Universal creates a huge virtual 'Tron-like' world where you take part in immense 3D tank battles involving scores of units both friendly and not so friendly in wide open levels! Players can bombard the enemy from a distance or close the gap and dodge shells point blank - all in an immersive first person perspective.
Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
Enter your unique code that's displayed on the 'Orders' page of CDKeys.com and follow the prompts to activate.
Your game is now viewable in the “Library” tab and is available to download/install when you’re ready. You can find additional support for the Steam client here: https://help.steampowered.com/en/wizard/HelpWithSteam