| Type | Who gets it | Features | |------|-------------|----------| | | Individual learner | Audio, activities, self-study gradebook. | | Teacher code | Instructor (bulk purchase) | Classroom management, answer keys, printable tests, all levels of a set. | | Institutional code | Schools | SSO integration, unlimited student seats (time-limited). |

A: No. One code, one user. If you share it, your friend will use it, and you will lose access forever.

: Create a free account using your email address. If you are a teacher, ensure you select a teacher account for extra pedagogical tools.

The specific content unlocked varies slightly depending on when the book was published and the specific title, but it generally includes: