Mixed Reality documentation

Explore the expanding world of Mixed Reality applications with the Mixed Reality Toolkit (MRTK), Windows Mixed Reality, Unity, Unreal, and more for HoloLens and Windows Immersive Headsets.

Dive into Mixed Reality

Whether you're designing, developing, or deploying a mixed reality application, we have the right curated path to get you walking before you run.

Development environments

Find out how to create mixed reality applications in a variety of production environments, engines, and languages.


Create, configure, and deploy applications in Unity with the Mixed Reality Toolkit SDK.


Build, customize, and deploy applications in Unreal with the Mixed Reality Toolkit SDK.


Construct native holographic experiences with OpenXR, WinRT, and DirectX.

SDKs and APIs

Get started with the Mixed Reality Toolkit for Unity and Unreal and explore what Windows XR and OpenXR has to offer.