Since when is CSGO free?

Since its release in 2012, Counter-Strike: Global Offensive has always sold for $ 15, which was a tangible barrier for CS fans. Finally, Valve lifted this restriction. From today on Steam you can get the full version of the game for free, including multiplayer modes. The game moves to a new model of monetization. Now for $ 14.99 sold the status of Prime, for which they give exclusive items and weapons design.