To log in you should go to https://app.peergrade.io/login. Enter the email or username you created an account with and enter your password.
If you signed up with Google, click 'Sign in with Google'.
If you've forgotten your password click on Forgot password? We got you! to reset your password. You'll receive an email to reset your password, be sure to also check your spam folder as sometimes the emails end up there.
If you have not yet joined Peergrade you should follow this guide to join a class.