You can typically obtain the installer through two primary methods:
Although vSphere Client 5.5 was released before Windows 10, it can still run with minor adjustments to handle modern OS security and framework requirements. Cannot vSphere 5.0 using 5.5 Client on Windows 10 vmware vsphere client 5.5 download for windows 10
: You can search for the client on the Broadcom/VMware Support Portal. Note that you may need a valid account and active support contract to access legacy archives. You can typically obtain the installer through two