You’ll need a few things to sign in to app+:
Username: This may be your email address and differ from your school or institution username. Make sure you’re using the email address you chose as your username, which may be different from the email address in your app+ profile.
Password: This is case-sensitive and has at least 1 uppercase letter, 1 number, and at least 8 characters. Select the eye icon to see your password as you enter it.
Get username and reset password: Select Forgot username or password. You'll receive an email with your username and a link to reset your password for each app account associated with your email address. Reset the password only for the account you want to use.
You can also sign in to your app+ app with a code. To set this up, follow the instructions on your home screen.
If you already have a app account but are asked to register, select register and follow the instructions.