The Mixed Reality Forums here are no longer being used or maintained.
There are a few other places we would like to direct you to for support, both from Microsoft and from the community.
The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.
For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality.
If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers, or in our Microsoft Tech Communities forums at https://techcommunity.microsoft.com/t5/mixed-reality/ct-p/MicrosoftMixedReality.
And always feel free to hit us up on Twitter @MxdRealityDev.
HoloLese development on windows 7 and unity game-engine
I have these tools installed in the system
1. windows 7
2. unity3d 2017.1.1
3. Windows 10 SDK
4. Windows 10 SDK
But my build button is disable and it keep saying that "You have to use windows 10 or greater". I checked the Hololese development requirement it support windows 7. what i am missing?