The 5.5 client is a legacy C# application and is not natively supported on Windows 10. To ensure a successful installation:
To download the VMware vSphere Client 5.5 for Windows 10 64-bit, visit the VMware website, navigate to the "Product Trials" or "Downloads" section, and search for "vSphere Client 5.5". Follow the installation instructions to install the client on your Windows 10 system. vmware vsphere client 5.5 download windows 10 64 bit
vSphere Client 5.5 build 2305435 (the final, most stable build). visit the VMware website