If you are looking to , it is important to understand that VMware fundamentally changed how its management tools work starting with this version. The "traditional" Windows-based C# desktop client was officially deprecated in vSphere 6.5 and is no longer available as a standalone installer for this version.
If you are managing a cluster via vCenter Server 6.5, you have two primary web options: download vmware vsphere client 6.5
Accessible at https://[vCenter_IP_Address]/ui . This is the recommended interface for 6.5. If you are looking to , it is