https://download3.vmware.com/software/vsphere/55/esxi/ESXi-5.5.0-1331820.x86_64.iso
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VMware ESXi 5.5 is a popular virtualization platform that allows you to create and manage virtual machines (VMs) on a physical host server. It's a bare-metal hypervisor that provides a robust and secure environment for deploying and managing VMs. https://download3