Activating your HBO Max subscription is a straightforward process. Begin by visiting the official HBO Max website or launching the HBO Max app on your device. If you don’t have an account, click on "Sign Up" and follow the prompts to create one. Once your account is set up, go to hbomax/tvsignin to enter the activation code provided on your TV screen. If you're using a streaming device, simply sign in with your HBO Max credentials. After successfully entering the code, your subscription will be activated, and you can start enjoying your favorite shows and movies on HBO Max.