To activate your Disney+ subscription, follow these simple steps. First, visit the Disney+ website or download the app on your preferred device. Sign in using your account credentials or create a new account. Once signed in, you’ll need to enter your subscription code. If you're using a smart TV or streaming device, go to disneyplus.com login/begin on your browser. Enter the 8-digit code displayed on your TV to link your account and start streaming. Your Disney+ subscription will be successfully activated, giving you access to a wide range of entertainment content.