The primary installation image is the XenServer 7.2.0 Install CD.
To download the Citrix XenServer 7.2 ISO file, follow these steps: citrix xenserver 7.2 iso download
Citrix no longer provides direct public downloads for XenServer 7.2, as it reached End of Life (EOL) on August 9, 2019 . But here’s what you can do: The primary installation image is the XenServer 7