Merge pull request #4139 from keveleigh/update-sdk-links

Update documentation from mrtk_dev

Author: keveleigh

Documentation/GettingStartedWithTheMRTK.md

@@ -11,7 +11,7 @@ To get started with the Mixed Reality Toolkit you will need:
 * [Visual Studio 2017](http://dev.windows.com/downloads)
 * [Unity 2018.3.x](https://unity3d.com/get-unity/download/archive)
 * [Latest MRTK release](https://github.com/Microsoft/MixedRealityToolkit-Unity/releases)
-* You don't need this to simulate in Unity Editor or run in VR, but if you want to build your MRTK project as a UWP to run on HoloLens, you will need [Windows SDK 18362+](https://www.microsoft.com/en-us/software-download/windowsinsiderpreviewSDK).
+* You don't need this to simulate in Unity Editor or run in VR, but if you want to build your MRTK project as a UWP to run on HoloLens, you will need [Windows SDK 18362+](https://developer.microsoft.com/en-US/windows/downloads/windows-10-sdk).
 
 
 ## Get the latest MRTK Unity packages
@@ -20,6 +20,16 @@ To get started with the Mixed Reality Toolkit you will need:
 
 For additional delivery mechanisms, please see [Downloading the MRTK](DownloadingTheMRTK.md).
 
+## Switch your Unity project to the target platform
+The next step **Import MRTK packages into your Unity project** will apply changes to your project specifically for the platform that is selected in the project at that moment you import them. 
+
+You should make sure that you select the correct platform before following the next step.
+
+For instance, if you want to create a HoloLens application, switch to Universal Windows Platform:
+- Open menu : File > Build Settings
+- Select **Universal Windows Platform** in the **Platform** list
+- Click on the **Switch Platform** button
+
 ## Import MRTK packages into your Unity project
 1. Create a new Unity project, or open an existing project. When creating a project, make sure to select "3D" as the template type. We used 2018.3.9f1 for this tutorial, though any Unity 2018.3.x release should work.
 

README.md

@@ -24,7 +24,7 @@ MRTK-Unity provides a set of foundational components and features to accelerate
 | `mrtk_development` |[![CI Status](https://dev.azure.com/aipmr/MixedRealityToolkit-Unity-CI/_apis/build/status/public/mrtk_development-CI)](https://dev.azure.com/aipmr/MixedRealityToolkit-Unity-CI/_build/latest?definitionId=1)|[![Docs Status](https://dev.azure.com/aipmr/MixedRealityToolkit-Unity-CI/_apis/build/status/public/mrtk_docs)](https://dev.azure.com/aipmr/MixedRealityToolkit-Unity-CI/_build/latest?definitionId=7)
 
  # Required Software
- | [![Windows SDK 18362+](Documentation/Images/MRTK170802_Short_17.png)](https://www.microsoft.com/en-us/software-download/windowsinsiderpreviewSDK) [Windows SDK 18362+](https://www.microsoft.com/en-us/software-download/windowsinsiderpreviewSDK)| [![Unity](Documentation/Images/MRTK170802_Short_18.png)](https://unity3d.com/get-unity/download/archive) [Unity 2018.3.x](https://unity3d.com/get-unity/download/archive)| [![Visual Studio 2017](Documentation/Images/MRTK170802_Short_19.png)](http://dev.windows.com/downloads) [Visual Studio 2017](http://dev.windows.com/downloads)| [![Simulator (optional)](Documentation/Images/MRTK170802_Short_20.png)](https://go.microsoft.com/fwlink/?linkid=852626) [Simulator (optional)](https://go.microsoft.com/fwlink/?linkid=852626)|
+ | [![Windows SDK 18362+](Documentation/Images/MRTK170802_Short_17.png)](https://developer.microsoft.com/en-US/windows/downloads/windows-10-sdk) [Windows SDK 18362+](https://developer.microsoft.com/en-US/windows/downloads/windows-10-sdk)| [![Unity](Documentation/Images/MRTK170802_Short_18.png)](https://unity3d.com/get-unity/download/archive) [Unity 2018.3.x](https://unity3d.com/get-unity/download/archive)| [![Visual Studio 2017](Documentation/Images/MRTK170802_Short_19.png)](http://dev.windows.com/downloads) [Visual Studio 2017](http://dev.windows.com/downloads)| [![Simulator (optional)](Documentation/Images/MRTK170802_Short_20.png)](https://go.microsoft.com/fwlink/?linkid=852626) [Simulator (optional)](https://go.microsoft.com/fwlink/?linkid=852626)|
 | :--- | :--- | :--- | :--- |
 | To develop apps for Windows Mixed Reality headsets, you need the Windows 10 Fall Creators Update | The Unity 3D engine provides support for building mixed reality projects in Windows 10 | Visual Studio is used for code editing, deploying and building UWP app packages | The Emulators allow you test your app without the device in a simulated environment |