Serial number

[InXo]

1st post oO
Well my hl serial dosent work on steam i dunno why maybe cause they closed my serial i buyed cause they want me 2 buy condition zero BUT i wont buy CZ so any who know how i can get my serial work on steam ? :\ O_O

 

[Addicted]

check out steams support page http://www.steampowered.com/index.php?area=support

there used to be a CD Key area, not sure if its still there.