The Hostar. com/in/activate process is simple and straightforward; all you need is your device’s serial number which can be found on the back panel along with other details like model number etc., then proceed by logging into www.hotstartvactivate website with your credentials (email address & password). Once logged in, select ‘TV Activate’ option from main menu bar followed by entering authentication code given at bottom right corner of page for activation purpose; finally click “Activate Now” button for successful completion of setup procedure within few minutes depending upon speed & quality of internet connection used for same task over there!