1
Navigate to https://eigo.ai/account/

2
Click "Institution"

3
Click "Redeem Access Code"

4
Enter the code and click "Redeem Code"

5
Access is granted and the expiration date is displayed.

If your institutional access expires later, your account remains in the institution and class as a free account. Your saved progress is kept, but full-access features are limited until you redeem another access code or your institution renews your access.