1. Go to: http://store.steampowered.com/ and download STEAM client.
2. Click "Install Steam" (from the upper right corner)
3. Install and start application, login with your Account name and Password (create one if you don't have).
4. Please follow these instructions to activate a new retail purchase on Steam:
Rockstar Gaming CD Key – Redemption Process
1. Go to https://socialclub.rockstargames.com/signup and log into your Rockstar Games Social Club account. If you don't have a valid account yet, join the Club!
2. Enter your code on the Social Club Activation page (https://socialclub.rockstargames.com/games/activate/index-signin) and download your game setup tool.
3. Download your game and enjoy!
Origin CD Key – Redemption Process
1. Go to: http://www.origin.com/us/about. Click "Download Origin" (from the upper left corner)
2. Install and start application, login with your Account name and Password. (create one here: http://store.origin.com/ if you don't have)
3. From the "Origin" drop-down menu (upper left corner) choose "Redeem Product Code...”, enter your code and click "Next".
4. After successful code verification go to the "MY GAMES" tab and start downloading.
GOG CD Key – Redemption Process
1. Please create an account or login on https://www.gog.com
2. Go to http://www.gog.com/redeem
3. Enter the code and then press "CONTINUE"
4. After a short amount of time you will see the details about the product, please press "CONTINUE" again.
5. Download and install the GOG.com downloader
6. Login to the software and get back to the product page
7. Go to https://www.gog.com/account and look for the "Games" tab.
8. Press the box of the product you want to download.
9. Activate the GOG.com Download Mode on the right side of product menu.
10.Choose the installation package from the list and save it with the GOG Downloader.
Uplay CD key – Redemption Process
1. Go to: http://uplay.ubi.com and download Uplay client.
2. Install Uplay Client on your PC.
3. Start the application, login with your Account name and Password (create one if you don't have).
4. Please follow these instructions to activate a new retail purchase on Uplay: