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.
You're looking for information on downloading the VMware ESXi 5.5 ISO file. Here's some useful content:
https://download3.vmware.com/software/vsphere/55/esxi/ESXi-5.5.0-1331820.x86_64.iso
After downloading the ISO file, you can create a bootable USB drive or burn it to a CD/DVD to install ESXi 5.5 on your host server. If you're upgrading from an earlier version, make sure to review the upgrade guide and compatibility matrix.
Here's a direct download link for VMware ESXi 5.5 Update 3 ISO: