You can typically acquire the vSphere Client 5.5 through three primary channels:
The VMware vSphere Client 5.5—often called the "thick client" or C# client—remains a vital administrative tool for legacy virtual environments. While newer versions of vSphere have transitioned to web-based interfaces, the 5.5 client is still required to manage standalone ESXi 5.5 hosts and vCenter Server 5.5 instances. Methods to Download VMware vSphere Client 5.5 download vmware vsphere client 5.5
The easiest method is to navigate to the IP address or hostname of your ESXi 5.5 server in a web browser. You will see a landing page with a link labeled Download vSphere Client . You can typically acquire the vSphere Client 5
If you have the vCenter Server 5.5 ISO image, the client is included as an optional component during the installation process. You will see a landing page with a
Before installing, ensure your management workstation meets these specifications: What is VMware vSphere Client? A definition from WhatIs.com
Following Broadcom's acquisition of VMware, official downloads are hosted on the Broadcom Support Portal. You must log in with a registered account to access the "Product Evaluation Center" or "My Downloads" section. System Requirements for Installation