You’ll need Windows 10 Pro, Enterprise, or Education. Note that the emulator will not work on Windows 10 Home OS. You can download the emulator here, and Visual Studio here. The HoloLens emulator runs through Visual Studio. If you don’t have a HoloLens, you’ll want to download an emulator so you can test your application as you build. Setting Up and Testing on a HoloLens Emulator Once your device is ready in developer mode, you can start building your own augmented reality application in Unity.
This Unity tutorial will take you through step-by-step so you can start developing for HoloLens.
