HoloLens Emulator（第1版）安装失败。需要Unity的通用Windows平台工具扩展可选功能

Question

我一直在尝试安装HoloLens模拟器，但没有成功。在安装VS 2019时，我已经安装和卸载了Windows SDK，已安装并启用了Visual Studio作为外部编辑器，并安装了UWP工具。我已安装Windows 10 Pro和Unity 2018.4。

我已经通过VS Installer安装了Windows 10 SDK（10.0.17763.0）。当我运行HoloLens安装程序时，出现这些日志错误。

ValidateVisualStudioVersion:  Visual Studio 2017 meets the minimum version requirement for Visual Studio.
MSI (s) (9C!94) [19:46:56:168]: PROPERTY CHANGE: Adding DEV15_DIR property. Its value is 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE'.
ValidateVisualStudioVersion:  Attempting to set property DEV15_DIR for VS 15:
MSI (s) (9C!94) [19:46:56:169]: PROPERTY CHANGE: Adding DEV15DEVENV property. Its value is 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\IDE\DevEnv.exe'.
ValidateVisualStudioVersion:  Attempting to set property DEV15DEVENV for VS 15:
ValidateVisualStudioVersion:  Error 0x80070057: Failed to acquire a detected Windows SDK version property string in custom action.
MSI (s) (9C!94) [19:46:56:175]: Product: Windows Mixed Reality Templates for Visual Studio -- Error 1608. This product requires Microsoft Visual Studio 2015 or newer. It also requires the Universal Windows Platform tools optional feature of Visual Studio.

Please install Visual Studio with the Universal Windows Platform tools optional feature and try again.

Error 1608. This product requires Microsoft Visual Studio 2015 or newer. It also requires the Universal Windows Platform tools optional feature of Visual Studio.

Please install Visual Studio with the Universal Windows Platform tools optional feature and try again.
CustomAction ValidateVisualStudioVersionCustomAction returned actual error code 1603 (note this may not be 100% accurate if translation happened inside sandbox)
Action ended 19:46:56: ValidateVisualStudioVersionCustomAction. Return value 3.
Action ended 19:46:56: INSTALL. Return value 3.

Answer 1

日志消息指出安装混合现实模板时发生错误。请在步骤[[[[选择要安装的功能]中取消选中[Visual Studio的Windows混合现实模板]，然后在Visual Studio市场上以[[ C0]。

Answer 2

顺便说一句，在安装模拟器后，您可以继续将VS2019与HL1一起使用。我不知道为什么您需要从VS2017或VS2015获取UWP工具。我不确定它们是否满足确切的要求，但这就是您所需要的。我上周实际上遇到了这个问题，一阵困惑。但是，如果您想安装HoloLens 1st Gen模拟器，那么最好先安装UWP 2017工具，然后再回到2019。很高兴看到您发现它的速度比我更快。