Mtv.com/activate is a website where users can activate their devices (such as TV, Roku, Amazon Fire stick, Chromecast, etc.) in order to gain access to MTV programming on their screens. To activate their device, users will need to visit mtv.com/activate, enter the activation code provided by their device, and log in with their TV provider account information. Once the device is activated, users can stream MTV content on their device. The activation process can vary depending on the device being used, and users may need to follow specific instructions for their particular device.