Small announcement:
PLAY NOW FOR FREE - HALF-LIFE SERIES
https://store.steampowered.com/news/57848/
Half-Life: Alyx is coming in March, and we are celebrating early by making all games in the Half-Life Series FREE to play for Steam users, from now until the day it launches!
If you already have Steam installed, you can click the following links to start playing now!
Half-Life
Half-Life 2
Half-Life 2: Episode One
Half-Life 2: Episode Two
If you don’t have Steam, you can download it here.