If your students don't yet have Formative accounts, and you'd like them to create their own, please direct them to follow these steps to sign up:
1. Go to formative.com and select "Sign Up - It's Free"
2. Choose "I'm a Student"
3. Enter the Join Code (this is your Class Code, which you can find on your Classes tab).
4: Click "Create Account"
5. They can choose to sign in with Google, Clever, or Microsoft, or enter their email and pick a password:
Here's a quick video with a more in-depth student introduction to Formative.