A multi-configuration input device is described. In one or more examples, an input device comprises a connection portion configured to be secured to a mobile computing device using a magnetic connection, an input portion having one or more sensors configured to generate inputs responsive to user interaction, a support portion rotationally secured to the input portion and the connection portion and effective to assume a cover configuration in which the support portion and the input portion are positioned to cover a display device of the mobile computing device, and further effective to assume a stand configuration in which the support portion and the input portion are position at an acute angle with respect to one another, and an operating system selection key operable to select from a plurality of operating systems.