- Download the Citrix XenServer source (ISO) from XenServer downloads page.
- The source will contain the XenCenter installer under a folder called “client_install”
- Installer is a msi named ..client_installXenCenter.msi
- Just launch the MSI installer as admin user and then you’ll have the XenCenter installed on your system
Reference: Citrix KB article: How to Download and Install a New Version of XenCenter