Enthusiasts and preservationists host historical server images on digital archive platforms: VMware ESX 4.x & VMware ESXi 4.x End of Life - magander.se
VMware vSphere 4 Download: Archive Access, Legacy Features, and Modern Alternatives vmware vsphere 4 download
Look up legacy physical servers (e.g., Dell PowerEdge 11th Gen or HP ProLiant G6/G7) on their respective enterprise support sites. vmware vsphere 4 download
VMware discontinued distribution on August 15, 2013. vmware vsphere 4 download
Official technical support and patch distribution concluded on May 21, 2014.