Closing note Public key lists may appear helpful for short-term testing, but they’re fragile and risky. For reliable homelab or production use with ESXi 9, obtain official trials or paid licenses, or evaluate free/open alternatives.
The transition to (released June 17, 2025) marks a fundamental shift in how the hypervisor is licensed, effectively rendering traditional 25-character "license keys" found on sites like GitHub obsolete for this version . The End of Traditional License Keys
If you are moving to the latest version via official channels, here are the headline features: Virtual Hardware Version 22: Built specifically for AI and machine learning workloads Memory Tiering: Supports using NVMe devices as tiered memory to expand host capacity Enhanced Security: Trusted Domain Extensions and secure-by-default Faster Upgrades:
While version 9 rollout to VMUG varies, this remains the best legal way for enthusiasts to get "EVALExperience" licenses for lab use. Check ESXi 8.0:
: Insert the media into the server and boot from it.