Metal Gear Solid V Ground Zeroes is a single-player action-adventure stealth game developed by Kojima Productions and published by Konami Digital Entertainment in 2014. As the eighth game in the franchise, Ground Zeroes is a prologue to 2015’s Metal Gear Solid V Phantom Pain and a part of Metal Gear Solid V link to the original source.
Key activation
Go to: http://store.steampowered.com/ and download STEAM client
Click “Install Steam” (from the upper right corner)
Install and start 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 Steam:
Launch Steam and log into your Steam account.
Click the Games Menu.
Choose Activate a Product on Steam…
Follow the onscreen instructions to complete the process.
After successful code verification go to the “LIBRARY” tab and start downloading