If you are unable to update Visual Studio 2019, please import the Tools package to apply a workaround. This issue is fixed by updating Visual Studio 2019 to version 16.8 or later. There is a known compiler issue that impacts applications built for Microsoft HoloLens 2 using ARM64. Please see Release Notes for information on new features, known issues and changes. To help get started using MRTK v2.7.2, please see the the Welcome page, which covers software requirements and the initial steps required to use MRTK.
Once downloaded, you can set the target platform and import the desired packages using these instructions. When using Unity versions older than 2019.4, please scroll down to Assets and download to a known location (typically, this is the Downloads folder on Windows 10): For more information, please see Welcome to the Mixed Reality Feature Tool. When using Unity 2019.4 or newer, MRTK is available using the Mixed Reality Feature Tool. unitypackage version of Mixed Reality Toolkit 2.7.2 is a repackaging with no changes, other than version, to align with the Mixed Reality Feature Tool based distribution.
