In the games tab, click "Activate a product on Steam..." to install the game if you have the CD. If you bought the game from Steam, you should see it on your games list. Right click it and install it.
You can buy it from Steam or install it with the CD.
To download counter strike source first install Steam at Steam com. then search up Counter Strike Source. it will be in a package with garrys mod, you can buy them both separately or together for £15.00
steam client from steampowered.com its dirt cheap and only legal way to download it.
Download steam from steampowered.com and search for counter-strike source
if you have system restore in your windows or mac or etc you can restore the cs 1.6 or you have your backup of your computer you can install again you cs 1.6 or you can download it in steam or non steam search the "Counter Strike 1.6 Non Steam"
By installing steam ( steampowered.com ). And purchasing the game ~10 $ . you can install the game using non-legal methodes , but you won't have the abillity to play online. TIP: Just buy the game , you won't regret it
Its on steam
No you cant not unless if the server admin is offline
In store, in steam or at the steam site
Counter-Strike games are available to download via Steam.
Steam.
You need half life if your want counter strike and Steam if you want to play online you can also buy it from Steam..