via Xbox Backwards Compatibility. If you previously claimed it during its "Games with Gold" period in 2019, it remains in your library for free download.
Since official servers (GameSpy) are defunct, players use community-made tools to keep the game alive: Ghost Recon Advanced Warfighter 2 Free Game Dow...
If you do not already own the game, it is widely delisted from modern PC storefronts like Steam and the Ubisoft Store due to licensing issues. via Xbox Backwards Compatibility
Currently available for $9.99 on the Xbox Marketplace . Ghost Recon Advanced Warfighter 2 Free Game Dow...