We use the term bare-metal because ESXi is installed directly onto physical hardware, rather than an application on top of an existing operating system. A hypervisor is an operating system that lets you run many servers, known as virtual machines, on one physical server. What is VMware ESXi?ĮSXi is a world-leading bare-metal hypervisor created and provided by VMware.
You'll also get to test drive products and run disaster recovery, a smart idea no matter the scale of your operation. But you do get access to a community of users for support and it never expires. The free version is great for home or light usage but doesn't offer official support or load balancing, for example. Let's cover the limitations of the free version, what you can use free ESXi for and how you can download and license it. VMware offers various paid versions of ESXi, but also provides a free version available for anyone to use. IT professionals regard ESXi as the go-to hypervisor for running virtual machines - and it's available for free. VMware's ESXi is the world's leading virtualization hypervisor.