These can be found on the My Profile page of your My Programme.
You will find Google Classroom in the App Store or Google Play.
Click on GET STARTED, then Add Account
Log into Google (you will need to set a password if you haven't logged in before)
Click on I'M A STUDENT
If you are an online student, you will find the class code on your My Programme page.
Click on the + sign to enter the class code.
If your course is at the school, your teacher will give you your class code in your first lesson.
Click on the + sign to enter the class code.