Read the general HoloLens guide from Microsoft, unpack the device and follow the instructions.
After the device is set up, go to "Settings" / "Update & Security" and apply updates to the system. Do this several times, unless you see that the device is up-to-date:
Enable and access the Device Portal from your computer per the instructions and then set the turn off time to 30 minutes using the Device Portal:
We also advise to mark the devices with colored stickers and then rename them accordingly (e.g. blue sticker — "HoloLens-Blue") to be able to distinguish them both physically and on the Director Controls screen.
To rename a device just enter the desired name into "Device name" field on the front page of the Device Portal and click "Save":
The name of the device appears in Director Controls on the page with the QR code after is has been scanned:
Find Vyzn app in Windows Store and install it as the final step.