The last course in your "Activity Details" Document: Getting Started for Designer - Exercise Material click start and you can download the file Designer_1_exercises.zip. You can find the file here in this post.
IIn my case, The Answer WAS that my IE settings were blocking the download and the popup. Check your browser settings and THANKS to the Qlikview Tech team for answering IE Tools Custome Level Downloads Enable Prompting. Charles Mehler