Most of your writers up here at HotHardware are old farts, so we can scarcely imagine a Steam account without the original Half-Life. Back in the day, most of us owned boxed copies of the game, and you could put your CD-key into Steam to register it to your profile. If your existence on Steam is newer than that, don’t fret—you can add the

Source: Hot Hardware – Half Life’s Big 25th Anniversary Update Is FREE With New Maps And Enhanced Graphics