This product is a brand new and unused Halo 3 CD Key for Steam.

Immediately after payment, you will be sent a unique and unused CD Key which can be activated on Steam. You can collect this activation code from our Autokey page.  Simply enter your code into the Steam client (available free from steampowered.com). This will then grant you to a full digital download of the game.

How does our website work?

CJS CD Keys sell brand new CD Keys either taken directly from brand new sealed copies of the game, or sourced directly from world-leading game publishers. We source our keys in bulk directly from leading distributors and publishers, which reduces shipping costs.  This enables us to offer instant online delivery, at extremely competitive pricing.

After you receive your key, you can activate the game on the Steam client (available free from steampowered.com). After you activate the game with the Steam software, you can download the game immediately and instantly.

Benefits of buying from CJS CD Keys:

Instant Delivery

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Region Choice:

This product we are selling is sourced directly from the publisher, or an official distributor of the game publisher. The key is available for a choice of regions. Please choose your correct region from the selection menu.

About Halo 3:

About This Content

Halo 3 comes to PC as the next installment in Halo: The Master Chief Collection. Now optimized for PC, witness the Master Chief’s return to finish the fight between the Covenant, the Flood, and the entire Human race in this dramatic, pulse-pounding conclusion of the original Halo trilogy. With the fate of the galaxy hanging in the balance, the Master Chief returns to uncover an ancient secret hidden beneath the sands of Africa, which could hold the key to humanity’s salvation or destruction – an object that could change the tide of the Human-Covenant conflict.

Game Features:

• PC Settings/Optimizations: Halo 3 is now optimized for PC and looking better than ever at up to 4k UHD and at 60+ FPS.* Other PC native settings include customizable mouse and keyboard support, ultrawide support, FOV customization, and more.
  
• Campaign: Experience the next chapter in the Halo saga and fight your way through 11 unforgettable missions.
  
• Multiplayer: Continue your Halo adventure with 24 multiplayer maps from the iconic Halo 3, featuring a completely updated progression system in Halo: The Master Chief Collection.
  
• Forge & Theater: Create new ways to play with the iconic Forge tool and utilize the Theater to capture and share your favorite moments with the community

*Look to system requirements for guidance on hardware minimum specs to achieve performance metrics