Google Single Sign-On is a service that allows users to access all their cloud applications by signing in once via Google SSO. You can sign in via Turnitin using Google SSO if it has been enabled by your institution.
If you are an administrator looking to set up SSO, please check out this article.
If you are an instructor trying to log in with SSO, please check out this article.
If you are an student trying to log in with SSO, please check out this article.