Select your XenServer and select Networking

Click Add Network

For me I want to create a Network that can access the internet, so I select External Network

Name the Network

Select the NIC you wish to use.

You will see the new network show up in the Server Networks view

Download Xen Server 7.2

Write the ISO to a USB Drive or Install with a DVD Drive.  I chose to use Rufus

Boot the ISO

Select a Keymap

Accept the warning about your drive being overwritten.

Accept the EULA

Choose a drive to write the OS onto.

Choose a drive for VM Storage.  I chose to do this in the Windows Client, and deselect all choices.

Select where your installation source is.  For us, it is a local drive.

Choose whether to verify the installation media.  I choose to skip it.

Enter a password for the XenServer Host

Select an ethernet adapter that you will use for Management of the Server.

Select and enter the appropriate network information

Name your host and enter an appropriate DNS Server

Select the appropriate geographically area

Select the appropriate time zone

Select the appropriate NTP Settings

Set the appropriate NTP Servers

Install Xen-Server

Choose whether to install an Supplemental Packs.  I have none, so I chose No

The installation will finish up

Reboot the server

Upon first boot I received this bug.  The host ultimately boots after a minute or two.

Once the host boots navigate to its Management IP Address and Download the Windows Client.