Step 1: Signup and Login   

To get a free ESXi license key from VMware, we have to first create an account in VMware website. Without creating an account, we cannot to do anything in VMware. So, go to VMware customer connect page and click on Register menu item. A registration form will appear now. Put your information that will be asked in this form and create a customer account.

After creating a customer account, go to VMware customer connect page and click on Login menu item and then login with your provided email and password.

Step 2: Choose Product and Register for the Product

VMware has a lot of products for virtualization. Among these, we want to download and get free license of VMware vSphere Hypervisor (ESXi). So, after login hover on Products and Accounts menu item and then click on All Products link. From All Products tab, choose VMware vSphere Hypervisor (ESXi) and click on View Download Components link.

From Download VMware vSphere Hypervisor (ESXi) page, select your ESXi version that you want to download from Select Version drop down menu. After selection, you will get a download link at right side.

Click on Download Now link. For download and getting free license key, selected version is required to be registered. So, you will first time find a link to register for the product at right side panel. After registering for the product, you will find the free license key and download option for the product under License & Download tab.