The Showmax.com/link Code is used to activate the Showmax app on your smart TV. Here's how it works: Launch the Showmax app on your smart TV. On the launch screen, you should see a unique code displayed. Grab your phone or computer and open a web browser. Go to preview.showmax.com/activate. Sign in to your Showmax account using your email and password. Enter the unique code you saw on your TV screen into the website. Click submit or continue. This will link your TV to your Showmax account and allow you to start streaming.