How to get a CD Key for free
1 - First step is to register as the member
2 - Go to the "Earn Coins" page
3 - Choose an offer and complete it with valid information
4 - After completion your coins will be automatically awarded to your account and you can get the Half-Life CD Key
About This Game
Named Game of the Year by over 50 publications, Valves debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
Instructions to activate steam keys
1 - Download and install the Steam client on your PC.
2 - Open the Steam client, login and locate the Games tab on the top menu. Click this and then select “Activate a Product on Steam…”
3 - Enter your product key that appears on the email and follow the instructions to activate it.
4 - Your game is now viewable in the “Library” tab and is available to download/install when you’re ready