Half life 2 eps 1 codes.

[SPL Tech]

http://cheats.ign.com/ob2/068/740/740555.html

How do you use the codes? It says "Bring DOWN the console and enter “sv_cheats 1”. ". Wha does that mean?

 

[Seagull]

options > keyboard > advanced >enable developer console

then do what they tell you