In a per‑core model, each physical CPU core counts toward the license total. If you have a host with 1 CPU and 8 cores, you must purchase a subscription for because that is the minimum allowed. If you have two hosts, each with two 8‑core CPUs, you would need 64 core licenses (16 cores × 4 sockets) – and you must also meet the 72‑core minimum per license instance.
For approximately $200/year, a VMUG membership grants 365-day evaluation licenses for nearly all VMware products, including ESXi 8 and vCenter, strictly for non-production use.
With the release of the vSphere 8 generation and subsequent Broadcom portfolio updates, VMware transitioned fully from traditional perpetual licenses to modern . Core-Based Licensing Metric
| Alternative | Key features | |-------------|--------------| | | KVM‑based, built‑in web interface, container support (LXC), built‑in backup, clustering, high availability – a complete open‑source virtualization platform | | XCP‑ng | Xen‑based hypervisor managed by Xen Orchestra; supports live migration, high availability, and clustering. With Vates (the commercial backer), it is one of the most stable open‑source hypervisors available | | Microsoft Hyper‑V | Enterprise‑grade hypervisor integrated into Windows Server and Windows 10/11; manages Windows and Linux VMs efficiently | | KVM + libvirt | Built into the Linux kernel; used by many cloud providers; supports full hardware virtualization | vmware esxi 8 license key
Once you have acquired your 25-character alphanumeric product key, you can apply it directly to the host or manage it centrally.
Under Broadcom, VMware licenses are sold via subscription only (no more perpetual licenses). Common tiers for ESXi 8:
Your best bet is either paying for a subscription, joining VMUG, or migrating to a different hypervisor for long-term free use. In a per‑core model, each physical CPU core
To legally use ESXi for free, you must download the specialized free ISO image from Broadcom's support portal. This version has the free license key embedded directly within it, requiring no additional key entry after installation. Alternatively, if you download the standard "Evaluation Mode" ISO, it will operate with all enterprise features for a 60-day trial period. To continue using it after that period without upgrading to a paid subscription, you must assign a free license key, which can be requested after registering on the Broadcom/VMware website.
Open your web browser and navigate to the ESXi host’s IP address or FQDN. Log in using your credentials. In the left-hand navigator pane, click on Manage . Select the Licensing tab in the main window. Click on Assign License .
You will find websites claiming to offer "VMware ESXi 8 permanent license key generators." With Vates (the commercial backer), it is one
Because the free tier is defunct, IT professionals, developers, and homelab builders looking for legal, low-cost options should look to .
In the left-hand navigation navigator pane, click on . Select the Licensing tab in the top sub-menu. Click the Assign License button.