VS"15"不再使用注册表来支持多个实例的安装.请参见 对Visual Studio"15"设置的更改帖子和 Visual Studio安装程序配置示例库以获取更多详细信息.

VS "15" nor longer uses registry to support multiple instances installation. Please see Changes to Visual Studio "15" Setup post and Visual Studio Setup Configuration Samples library for more details.