Because it is a legacy, unsupported product, official direct links on the main VMware/Broadcom landing pages are often redirected or hidden. Broadcom Support Portal: This is the current official source. You must have a valid perpetual license
Before we dive into the download process, let's discuss some reasons why you might want to download VMware ESXi 5.5 ISO:
When installing or upgrading to ESXi 5.5, keep the following in mind:
Free ESXi 6.5 - How to Download and get License Keys - virten.net