Broadcom does not issue new licenses for ESXi 5.5.
Disclaimer: This article does not provide, link to, or encourage the use of pirated software or invalid license keys. If you're interested, I can also: Tell you how to upgrade from ESXi 5.5 to a newer version.
Running ESXi 5.5 means operating a hypervisor that has not received security updates for years. Critical vulnerabilities discovered in the core vSphere architecture over the last decade remain unpatched in this version. Modern Threat Landscape esxi 5.5 license key github
Instead of hunting for gold in a GitHub garbage pile, consider these legal alternatives.
This presents a dilemma for home lab enthusiasts: Broadcom does not issue new licenses for ESXi 5
Which of those would you like?
GitHub frequently removes repositories that contain license keys, keys generators, or "cracks" in accordance with their Terms of Service and digital copyright laws. Running ESXi 5
While searching for "ESXi 5.5 license key GitHub" might seem like a shortcut to getting your legacy server up and running, it is a path fraught with risks. Between the potential for malware in scripts and the instability of blacklisted keys, the time you save upfront will be lost in troubleshooting later.
License keys found in public GitHub repositories or "keygen" files are often illegal, pirated, or expired. Using them violates VMware’s EULA, and downloading executable files from unknown sources poses significant security risks (malware, backdoors).
The proper way to handle this in 2026 is to have acquired the free license from the VMware Eval Center back when it was available. These keys allow you to activate ESXi 5.5 indefinitely without paying for a license. Risks of Using Unauthorized License Keys