Claim: Assassin's Creed is released for Microsoft gaming systems.
Evidence: The main videogame series consists of nine games , developed by Ubisoft Montreal -LRB- single player -RRB- and Ubisoft Annecy -LRB- multiplayer -RRB- , released on PlayStation 3 , PlayStation 4 , Xbox 360 , Xbox One , Wii U , Microsoft Windows , and OS X platforms.
Microsoft Windows , or simply Windows , is a metafamily of graphical operating systems developed , marketed , and sold by Microsoft.
The Xbox 360 is a home video game console developed by Microsoft.
Xbox One is a line of home video game consoles developed by Microsoft.