What's dubbed as "zero-day piracy protection" works alongside server-side authentication to help prevent piracy before a game's release date and protect publishers by requiring online authentication to play any online multiplayer modes. The upgrade will also include an all-new Marketplace API allowing developers to create unique in-game stores for the sale of additional game content. Finally, 'Roaming' allows Games For Windows users to save their personal settings and gain access to these from any compatible and connected Windows PC.