Navigate to STARZ using any device. Enter code into the box on the web page on your screen. Click to Submit to the registered device. Type STARZ on the search bar. Click on install and then select Accept to start the installation process. After finishing up the installation, go to the Home menu. The main activation of STARZ You can complete the main activation process from your computer. Just visit the official website of Starz or go through Starz.com/activate. After that sign-up with a valid email ID.