Hololens 2 development: development environment deployment

Refer to ： Microsoft official documents - Installation tools
It is recommended to browse HoloLens 2 Chinese development documents
Environmental requirements （ notes : This configuration requirement includes HoloLens2 Configuration requirements of simulator , If you don't use it, please configure it according to the above link ）：

1.64 position Windows 10 pro 、 Corporate or educational

HoloLens 2   The simulator needs  Windows 10 2018  year  10  Monthly update or later .
	•	64  position  CPU
	•	4  nucleus  CPU（ Or in total  4  Multiple cores  CPU）
	•	8 GB  Or bigger  RAM
	•	 stay  BIOS  in , The following functions must be supported and enabled ：
	o	 Hardware assisted virtualization (Hardware-assisted virtualization)
	o	 Secondary address translation  (SLAT)
	o	 Hardware based data execution protection  (DEP)
	•	GPU  requirement 
	o	DirectX 11.0  Or later 
	o	WDDM 2.5  Graphics driver （HoloLens 2  Simulator ）
	o	 Simulators can work with unsupported  GPU  Cooperation , But the speed will be significantly slower 

If your system meets the above requirements , Please make sure that Enabled “Hyper-V” function , The method is to select “ Program ”->“ Procedures and functions ”->“ Enable or close Windows function ”, Make sure you have selected “Hyper-V”.

2.Windows 10 SDK (10.0.18362.0)

It is suggested that SDK Install by yourself instead of Visual Studio Installer Install in
notes ：
install Win10SDK You need to specify by yourself SDK The installation path , Keep the path as short as possible Such as "C:\Z"

Because if you install according to the default path , stay Unity in build UWP The application will appear "IOException: Win32 IO returned 234" problem .
This is because the file is in Windows SDK The full path of is too long , The path length in the default installation folder is 231 Characters ,System.IO.File.Copy Unable to deal with .
When you installed WinodwsSDK when , The installation path cannot be customized . Need to uninstall Visual Studio And all windows SDK, Or reset the system and reinstall . Reference from :WuHaoDataMesh

3.Visual Studio2017
notes : Not recommended VS2019 There is some instability

Specify... At installation time Use C++ Desktop development Universal Windows platform (UWP) Development These two components . At the same time, select Win10SDK 10.0.10240.0 The following are installed by the author SDK

4.Unity3D

You can choose 2018.4 2019 perhaps 2018 LTS（ Long term support version ）
The author is 2019.2.3f1

stay build good UWP The program may not be found UWP SDK The problem of , concrete ：
Hololens Development environment configuration pit avoidance Guide