Please note that to access to the exercise material and the pre-configured exercise environment, you’ll need to have an SAP Learning Hub subscription to access to the SAP Commerce Cloud LSA (Learning System Access).
The blog post: LSA (Learning System Access): Yet Another Way to Learn SAP Commerce Cloud
contains the information you’ll need to find/book the learning system. Just remember to search for "C4H34Be" to find the "Practice" system entry for this course.
Only after you manage to book the learning system and log into it (following the related system setup guide), you will be able to access to the exercise below.