This client only runs on Windows (Windows 7, 8.1, Windows 10, Windows Server 2012/2016/2019). It requires .NET 3.5 SP1 and the Windows Desktop Experience features.
This post is written to be helpful for sysadmins and homelab users who still need to manage legacy vSphere 5.5 environments. Where to Find the VMware vSphere Client 5.5 Download (Legacy Support) vmware vsphere client download 5.5
Disclaimer: VMware, vSphere, and vCenter are trademarks of Broadcom. This guide is for legacy troubleshooting purposes only. This client only runs on Windows (Windows 7, 8
vSphere 5.5 reached End of General Support on September 19, 2018 . There are no security patches. Do not connect this environment to the internet or your production business network without extreme isolation. Where to Find the VMware vSphere Client 5
However, the file does still exist on VMware’s public build servers. As of this writing, the following link remains active for the official VMware vSphere Client 5.5: https://my.vmware.com/group/vmware/details?downloadGroup=VS550-CLIENT-55&productId=353 If that link fails, log into your VMware Customer Connect account, search for "vSphere 5.5," and look for the file named VMware-viclient-all-5.5.0-xxxxxx.exe .