Here is what you will need before you install vCenter Server:

• Download the VMware VCSA 6.7 ISO from https://my.vmware.com/web/vmware/downloads
• Access to a machine (Windows/Linux/macOS) to run the vCenter installer from
• IP address/FQDN of the ESXi host or the vCeter the VCSA will be deployed on
• IP configuration (static IP address, subnet mask, gateway address, and DNS server addresses)
• A DNS host record for the VCSA