Invalid Metal Gear Solid Key? Here's how to Activate Metal Gear Solid: Phantom Pain CD Keys

If you're getting an 'invalid key' error message when trying to activate Metal Gear Solid CD Key on Steam, here is how to activate.

First, go to this link:

https://redeem.geforce.com/?campaignID=MGSVPHANTOMPAIN

or try

http://www.geforce.com/GetMGS 

On that page, simply click your region, and enter your coupon code.

The website will then return you with a Steam activation code for Metal Gear Solid Phantom Pain!

You can buy a Metal Gear Solid: Phantom Pain CD Key for Steam here at just £26.99 / €37.80:

http://www.cjs-cdkeys.com/products/METAL-GEAR-SOLID-V%3A-THE-PHANTOM-PAIN-CD-Key-For-Steam.html

Thanks, we hope this article was useful in helping you activate your Metal Gear Solid: Phantom Pain Steam Key.