Hbomax activation code is the type of passcode you use to access the service. In this section I'll give you a step-by-step guide for activating your hbomax/tvsignin:Open using the HBO Max app. click on the sign in tab on your smartphone.In the next few seconds, you'll see the 6-digit code appear onto your computer screen. Keep the code handy to reference at a later time.Log in to hbomax com tvsignin with your laptop, PC or device.Enter the hbo maximum activation code visible on the smart television.Now, you'll be taken back onto the login page.Create an account and login to your HBO max account. You will need your login and password.Begin streaming with the person you are watching.