From the makers of Sid Meier’s Civilization comes a game about civilization’s last stand. As the commander of an elite paramilitary organization known as XCOM, you control Earth’s defenses against a terrifying alien invasion.
XCOM: Enemy Unknown – The Complete Edition includes the Game of Year award-winning XCOM: Enemy Unknown, plus the critically-acclaimed expansion, XCOM: Enemy Within, and all of the released add-on content packaged together for an incredible value.
1. Register an account
Go to www.steampowered.com and click 'login' at the top right corner of the website. After that, press 'Join Steam' in the middle of your screen to create your account.
2. Download Steam
Click the green button that says 'Install Steam' at the top right corner of the website, install Steam and login with with the account you created in step 1.
3. Click 'Games' at the top of your screen and select 'Activate a product on Steam'
4. Open the confirmation e-mail you received from Startselect and copy the code into the 'Product Code' box.
5. Confirm the code and install the game
6. You can access your games by clicking 'Library' at the top of your screen.
7. After the download is completed, you can enjoy your game!
Now on Startselect!
Now available at Startselect: XCOM: Enemy Unknown – The Complete Edition. At Startselect you can purchase your digital games and giftcards anywhere and anytime. All of our products are fully authorized and supported by the publisher or developer.
Do you want to purchase this product? Just pick one of the payment methods, check out and you will receive your digital code almost immediately in your mailbox. If you run into any problems or if you have a question, our support team is standing by. We want to give you the easiest shopping experience, so you can use your product straight away!
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