Your friend ancientwarrior has given you a gift subscription to the game The 
Orange Box on Steam, the leading digital distribution platform for PC games. 
Here’s how to redeem your gift:

If you’re new to Steam, install the free Steam client now. Steam lets you 
purchase full retail versions of games delivered straight to your desktop, 
complete with automatic updates and in-game community features. Take a tour 
of Steam to learn more.

Once you’ve installed Steam and set up a Steam account, or if you already 
have an account, click here to receive ancientwarrior’s gift of The Orange Box.

If your email client doesn’t support clickable links, simply copy and 
paste the full text of the links below directly into your Web browser:

To get Steam:
http://www.steampowered.com/getsteam

To receive your gift:
http://storefront.steampowered.com/redirect/?ackgiftpass=10627743AB80684C

Thanks, and enjoy your game!
 
Valve and The Steam Team
http://www.steampowered.com