If you obtain a 25-digit key, you can apply it directly to your host: Log in to your ESXi web client Navigate to Assign License (or the gear icon). Paste your key and select Broadcom support portal

, a foundational technology in data center virtualization, reached its End of General Support on October 15, 2022 . Despite this, many IT professionals, lab enthusiasts, and small businesses continue to use this robust platform. When setting up or rebuilding old labs, finding an ESXi 6.5 license key can be a challenge, leading many to search for "GitHub exclusives" or pre-activated keys.

Even though 6.5 is deprecated, the free registration process often allows access to licenses for older versions.

: Many lab users successfully use keys found on GitHub to keep legacy hardware (like older Dell PowerEdge servers) running without the stability issues sometimes seen when forcing newer ESXi versions onto unsupported CPUs. The "Broadcom Effect"

You do not need to risk your network's security with sketchy GitHub links. There are official, legal ways to run VMware software for learning and testing. VMware Evaluation Mode

Enter the license key (e.g., NC640-D3H56-H80K0-9A256-AYA74 ). Click to verify. Click Assign license . 4. Alternatives to GitHub Keys: The Official Path