Steam wrote You become a subscriber of Steam ("Subscriber") by installing the Steam client software and completing the Steam registration. This Agreement takes effect as soon as you indicate your acceptance of these terms.

As a Subscriber you may obtain access to certain services, software and content available to Subscribers. The Steam client software and any other software, content, and updates you download or access via Steam, including but not limited to Valve or third-party video games and in-game content, and any virtual items you trade, sell or purchase in a Steam Subscription Marketplace are referred to in this Agreement as Software; the rights to access and/or use any services, Software and/or content accessible through Steam are referred to in this Agreement as "Subscriptions."

Each Subscription allows you to access particular services, Software and/or other content.