Vmware 9 License Key New Guide
Even if you do find a working key, VMware 9 hasn’t received a security patch since ~2015. Running it on a modern machine connected to the internet is like leaving your front door wide open. Guest VMs can escape to the host, and network vulnerabilities abound.
Standard 25-character keys are retired for ESXi 9.x and vCenter 9.x. vmware 9 license key new
Summary
However, you cannot:
(formerly vRealize Operations). You no longer enter a key directly into the vCenter "Licensing" tab as in previous versions. Per-Core Pricing : Licensing is now based on a minimum of 16 cores per CPU Even if you do find a working key,

