# Linux/Mac shasum -a 256 VMware-VMvisor-Installer-6.5.0.update03-xxxx.iso Get-FileHash VMware-VMvisor-Installer-6.5.0.update03-xxxx.iso -Algorithm SHA256
Which format do you actually need?
Since you likely need a (for IT procurement, a lab setup guide, or an assignment), I have prepared a Technical Brief & Download Guide for VMware ESXi 6.5. esxi 6.5 download iso