Make sure students can install the InsertLearning browser extension. Some schools block this ability for students but not teachers. See this help article for information your IT department will require.
Students have a Google Account to sign in to InsertLearning.
Students are enrolled in your InsertLearning class. They need to either enroll in your class using the class code or you can enroll them via Google Classroom. See this help article about enrolling students.
Your Lesson is Assigned to your InsertLearning Class. It might sound obvious, but sometimes it's easy to forget.
Tell Students What InsertLearning is and how they use it. While it's a pretty easy to use tool, InsertLearning is very different than most other programs out there. Check out this article for help.