If you are looking for information regarding VMware ESXi 5.5, it is important to note that this version reached its End of General Support in 2018.
Complete Guide to VMware ESXi 5.5 Licensing: Everything You Need to Know vmware esxi 55 license key 14k
VMware ESXi 5.5, released in 2013, represented a pivotal moment in the virtualization industry. It introduced significant enhancements to the vSphere suite, including doubled limits for host CPUs and RAM, and the introduction of the vSphere Web Client. In the modern landscape, this version is long past its End of General Support (EOGS), which occurred in September 2018. The Significance of the "14k" Identifier If you are looking for information regarding VMware ESXi 5
Managing Your VMware ESXi 5.5 License Key (14k) In the modern landscape, this version is long
If you absolutely need to run ESXi 5.5 for legacy reasons and you have an original, valid license key from VMware, use that – but understand the risks. Otherwise, invest your time in migrating to a current platform. Your future self (and your security team) will thank you.
Unlike current Broadcom-era per-core subscription models, ESXi 5.5 utilized a per-CPU (socket) perpetual licensing model. A single license key typically covers a specific number of physical processors, often regardless of the number of cores per processor. Key Licensing Tiers