To activate the Hallmark channel on Roku using your cable subscription, you first need to visit the channel store to download the channel on your Roku player. Proceed with channel activation setup once you receive the activation code and then choose your service provider by using your respective credentials. A successful message will be displayed on TV which means that the activation setup is completed. For more information regarding Hallmark Christmas movies, dial our toll-free number at +1-8669910490 or visit the webpage.