Steam Workshop is an online platform that allows users to create, share, and download user-generated content for various video games. It is integrated with the Steam gaming platform, enabling players to access a wide range of mods, maps, and other custom content created by the gaming community. Users can easily browse through different categories, subscribe to their favorite items, and automatically receive updates when new versions are released. This fosters a collaborative environment where gamers can enhance their gameplay experience and discover new content tailored to their interests.