Nice setup! Welcome aboard. 
Here’s a good newbie thread –
Beginner questions - Support - Xert Community Forum (xertonline.com)
Plus the new YT academy series is great at explaining how Xert works –
Series 1 Discover: Mastering Xert - Discover Your Fitness - YouTube
Series 2 Improve: Mastering Xert - Improve! - YouTube
Series 3 Perform: (future; tba)