Yes. If you redeem your Opposing Fronts retail code on Steam, it will automatically add the correct version to your library, which is the modern Anniversary Edition (includes all updates and widescreen support).
Since the original Relic Online servers were shut down in 2013, the game transitioned to . To play online today, you must use the "New Steam Version" . Open the Steam Client . To play online today, you must use the "New Steam Version"
Back in 2007, DRM (Digital Rights Management) was harsh. Opposing Fronts used a system where the product key was required during installation. Furthermore, to play online via the now-defunct THQ Online service or GameSpy, you had to create an account and permanently attach that product key to your login. If you lost the key, you lost the ability to reinstall or play multiplayer. Opposing Fronts used a system where the product