vCenter Server is a service that acts as a central administrator for ESXi hosts connected in a network. vCenter Server lets you pool and manage the resources of multiple hosts.
You can install vCenter Server on a Windows virtual machine or physical server, or deploy the vCenter Server Appliance. The vCenter Server Appliance is a preconfigured Linux-based virtual machine optimized for running vCenter Server and the vCenter Server components. You can deploy the vCenter Server Appliance on ESXi hosts 6.0 or later, or on vCenter Server instances 6.0 or later.
Starting with vSphere 6.0, all prerequisite services for running vCenter Server and the vCenter Server components are bundled in the VMware Platform Services Controller™. You can deploy vCenter Server with an embedded or external Platform Services Controller, but you must always install or deploy the Platform Services Controller before installing or deploying vCenter Server.
vSphere Installation Workflow
Installation Procedure Deploy or install vCenter Server and Platform Services Controller
Verify that your system meets the hardware and software requirements for deploying the appliance :
Determine the deployment method to use.
Deploy the appliance.
Download and extract vcenter_VMware-VCSA-all-6.7.0-14070457.iso.
You will find VMware-vCenter-Server-Appliance-184.108.40.206000-14070457_OVF10.ova file.
Deploy VCSA Ova file as VirtualMachine one level and same network with EXSi host, if you use FQDN you need to make sure that FQDN its resolved.
Start and login to VCSA Shell as root, make sure networking & connectivity.
Open https://[ip-address]:5480/ in client browser.
Install and configure SSO with installation wizzard (2 stages).
Make sure no issue at installation progress.
Login to vcenter server with vsphere web client.
For further reference : https://docs.vmware.com/en/VMware-vSphere/6.7/vsphere-vcenter-server-67-installation-guide.pdf .