Make sure that the headset is charged and turned on.
Enable Bluetooth on your computer.
Open MQDH.
In the left navigation pane, choose Device Manager.
In upper-right corner of the window, select Set Up New Device.
Note: If you have already set up a headset in MQDH, the existing device and the Set Up New Device option are both available in the drop-down list in the upper-right corner of the window.
Read the guidance and select Next.
Select the type of headset.
After MQDH has discovered the headset, select the headset ID, and then select Next.
Log in using your developer credentials.
On the Wi-Fi window, select the WiFi network you want to use. This should be the same network as your development computer to enable casting the headset on your computer.
On the Complete Setup from Your Headset window, put on the headset, and then follow the prompts.
After the headset reboots and MQDH reconnects to it, use the slider to turn on the developer mode. Your developer account must be verified to turn on the developer mode.