Easy! If you have bought a coupon to enroll in course, you will receive an e-mail with the link to the course page and a coupon code.
Click on the link to access the course. Once you are on the course page, click on Redeem a coupon and insert the code. Once you enter the code click the Redeem button.
After you Redeem the code, you will need to click on the Enroll Now button in order to be enrolled in the course. After this step, you can start with your training!
Once the course is completed, you will receive a certificate of completion.
Please note: If you have bought a course for a group of people you need to forward the e-mail with the link and coupon code to the rest of the group. Each member will have to follow the same steps to enroll in the course.
See also: How do I obtain my certificate?