Launch the Disney Plus app, or you can also visit https://disneypluscombegin-code.github.io/ by using your internet browser. Log in to your Disney plus account using your email ID/username, password and password. If you have forgotten your password, click the option to forget password and reset it.
You can sign up for https://disneypluscombegin.getresponsesite.com/ via the Apple App Store if you have previously not. Enter your payment details through your iTunes account and will be guided by the instructions on the screen.