Bare in mind that VMware vSphere Hypervisor Free Version comes with limitations
- Maximum 2 physical CPUs
- Maximum 8 vCPU per VM
- Cannot add to vCenter when using free license key.
VMware vSphere Hypervisor Free Version supports unlimited cores per CPU and unlimited physical memory.
Where to download VMware vSphere Hypervisor Free Version
VMware: VMware vSphere Hypervisor (64 bit)
VMware vSphere Hypervisor 8.0 (11 October 2022): https://customerconnect.vmware.com/en/evalcenter?p=free-esxi8
VMware vSphere Hypervisor 6.x: https://my.vmware.com/en/group/vmware/evalcenter?p=free-esxi6