You must check seller reputation closely. Ensure the key is for the "Steam" platform or is a "Global" retail key. 3. Physical Retail (Legacy)
Once your CD key is validated and the game is running, you can optimize it for modern hardware.
: Generally, original retail keys for United Offensive cannot be redeemed directly on Steam to add the game to your library. Steam versions are considered separate digital licenses.
You must check seller reputation closely. Ensure the key is for the "Steam" platform or is a "Global" retail key. 3. Physical Retail (Legacy)
Once your CD key is validated and the game is running, you can optimize it for modern hardware.
: Generally, original retail keys for United Offensive cannot be redeemed directly on Steam to add the game to your library. Steam versions are considered separate digital licenses.