external psc 6.0 on windows upgrade to 6.5

Author : Chris Bedford

URL : http:////docs.vmware.com/en/VMware-vSphere/6.5/com.vmware.vsphere.upgrade.doc/GUID-B1C981FB-DFF6-47E5-888B-9C51FA2EC84B.html

Topic Name : Upgrade vCenter Platform Services Controller 6.0 on Windows

Publication Name : vSphere Upgrade

Product/Version : VMware vSphere/6.5

Question :

is the vcenter downloaded autorun.exe run from the psc server or the vcenter server ?