Run a Windows 7 Professional VM inside VMware Workstation or VirtualBox, then install vSphere Client 5.5 there. This is the most reliable method for production environments.
Running this version in a production environment exposes you to vulnerabilities that will not be addressed by the vendor. Loffler Companies Install vSphere Client 5.5 vmware vsphere client 5.5 download windows 10 64 bit
This forces the installer to skip the OS version check entirely. Run a Windows 7 Professional VM inside VMware
When connecting to ESXi 5.5, you will get "Unable to connect to the remote server" or certificate warnings. To bypass: Loffler Companies Install vSphere Client 5
There are three primary ways to obtain the installer for version 5.5: From your ESXi Host (Recommended) Open a web browser and enter the IP address of your ESXi 5.5 host. A landing page will appear with a link titled "Download vSphere Client"
If you are managing one of these environments, you have faced a major headache:
You can find the client within the product download sections of the Broadcom Support Portal (which now hosts VMware assets) or the Product Evaluation Center . You will likely need a free registered account to access these.