The steaminstall.exe file you have requested: Tools and Utilities / Miscellaneous / Steam Install - 555.39kb is not available. Perhaps try browsing all files for the game Half-Life 2 and upload any files you want to share or are missing. This is the only information we could locate:
WHAT CAN STEAM DO?Once you've installed Steam, all of the following features are available on your desktop and while you're playing Steam games. EASY AND FAST ACCESS TO GAMES After installing Steam, you'll have instant access to Valve's Steam delivers Valves games to your desktop and connects you to a massive gaming community.