Coupons can be applied at checkout.
Here are instructions on how to apply a coupon to your purchase:
1. First, click "Buy" and you will be directed to the purchase page
2. Click "Have a Coupon" on the left-hand side of the screen under the course name
3. Click "Apply" and ensure your discount has been applied
4. Enter your billing information on the right-hand side and click "Complete Purchase"
5. Your course will be found under "My Dashboard" when you sign into your account