A method of providing connectivity between a mobile device, a desktop computing device, and network resources. The method may include (A) providing the mobile device with an executable loader file that is to be automatically installed in the desktop computing device thereby to instruct the desktop computing device to download full installer application software from a remote resource; (B) using the mobile device to select a desktop computing device on which the full installer application software is to be installed; (C) transmitting the executable loader file to the desktop computing device; and (D) using the desktop computing device to run the executable loader file to download the full installer application software automatically from the remote resource. The full installer application software may install a desktop application that provides functionality and connectivity between the mobile device, the desktop computing device, and the remote resources.