Where do I turn off email notifications to admins?

To turn off or turn on specific email notifications to specific people, follow the following steps:

Video Demo

1. Navigate to WordPress Dashboard > LifterLMS > Settings > Notifications
2. Select the specific email notification you would like to edit
3. Scroll down to the bottom of the email notification page and use the checkboxes under Subscribers to determine who, if anyone, shall receive this particular email notification.