CS:GO was subsumed into Counter-Strike 2 a few years ago, but now it has its own Steam page again. I have no idea what to make of this, but more than two years after it was folded into Counter-Strike ...

GO onto Steam, unlisted on the store page, which you can download and play now via direct connecting to servers.

GO as a standalone download on the Steam Store. Learn how to find the unlisted page, add the game to your library, and play ...