You can install vCenter Single Sign-On, the vSphere Web Client, vCenter Inventory Service, and vCenter Server together on a single host machine by using the vCenter Server Simple Install option. This option is appropriate for most deployments.

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Alternatively, you can use Custom Install to install vCenter Single Sign-On, the vSphere Web Client, vCenter Inventory Service, and vCenter Server separately and customize the location and configuration of each component. See Use Custom Install to Install vCenter Server and Required Components.

If vCenter Single Sign-On, the vSphere Web Client, vCenter Inventory Service, or vCenter Server is already installed on the computer, this procedure upgrades the existing version.