This video goes through setting up a Virtual Machine in XenServer / XCP-ng in a lab environment. If you want to experiment with in detail with XenServer, I highly recommend you download XCP-ng from their official website.

This is a community-powered version of XenServer with ALL FEATURES ENABLED. XenServer from Citrix has recently started going away from its open-source roots and as a result, has begun locking features behind a paywall.