How your course is accessed is determined by your instructor. Ask you instructor which method you will be using for the course.
Method 1: SI Cloud
If you will be accessing your course through SI Cloud's interface, your instructor will give you a URL. It should look like this:
The final 16 characters that make up your enrollment link will be unique to your course.
Please contact our Science Interactive Customer Service team if you have any questions.
Method 2: if you are accessing your course through you institution's LMS check out How Do I Access My Course through my LMS?