"Steam is an internet-based digital distribution developed by Valve Corporation, digital rights management, multiplayer and social networking program made by Valve Corporation. Steam has its own store where the user can purchase video games and other software. It is available for Microsoft Windows, OS X and Linux.[1] Steam also has an application with fewer functions for smartphones which is available for Android and iOS. Steam can also be used as a communication software, meaning that you can talk with people if they are your friends on Steam."