In non-limiting examples of the present disclosure, systems, methods, and devices for cross-platform multi-transport remote code activation are provided. A first device operating on a first platform receives a wake initiation that indicates code for activation on a second device operating on a second platform. The first device identifies compatible transports for transmitting a wake message indicating the code for activation to the second device. The first device selects at least one transport and transmits the wake message over the transport to the second device. The second device, upon receiving the wake message, processes the wake message and activates the code, which was not executing prior to activating.