https://kb.vmware.com/s/article/2089791
Note: The vSphere Client is no longer available starting with vSphere 6.5, Flash based and HTML5 based web clients are available for 6.x versions.
Download URLs for vSphere Client
Version
File Name Download URLs
VMware vSphere Client 6.0 VMware-viclient-all-6.0.0-2502222.exe http://vsphereclient.vmware.com/vsphereclient/2/5/0/2/2/2/2/VMware-viclient-all-6.0.0-2502222.exe
VMware vSphere Client 6.0 Update 1 VMware-viclient-all-6.0.0-3016447.exe http://vsphereclient.vmware.com/vsphereclient/3/0/1/6/4/4/7/VMware-viclient-all-6.0.0-3016447.exe
VMware vSphere Client 6.0 Update 2 VMware-viclient-all-6.0.0-3562874.exe http://vsphereclient.vmware.com/vsphereclient/3/5/6/2/8/7/4/VMware-viclient-all-6.0.0-3562874.exe
VMware vSphere Client 6.0 Update 2a VMware-viclient-all-6.0.0-4437566.exe http://vsphereclient.vmware.com/vsphereclient/4/4/3/7/5/6/6/VMware-viclient-all-6.0.0-4437566.exe
VMware vSphere Client 6.0 Update 3 VMware-viclient-all-6.0.0-5112508.exe http://vsphereclient.vmware.com/vsphereclient/5/1/1/2/5/0/8/VMware-viclient-all-6.0.0-5112508.exe
安装VMware vSphere Client报错：Microsoft Visual J#2.0 Second Edition安装程序返回错误代码"1603’
原因：安全软件（例如360）阻止了安装程序写入注册表的某些项目，导致报错。
解决：关闭360安全软件，重新安装，安装成功