Bet.com/activate is a website that allows users to activate their BET (Black Entertainment Television) subscription on various devices such as smart TVs , Roku, Amazon Fire TV, Apple TV, and Chromecast. To activate the subscription, users need to enter the activation code provided by the device on the Bet.com/activate website and sign in with their TV provider account. If users encounter issues with the activation, they can update the app to the latest version or contact BET support for assistance.