Alienware 2014 Windows Desktop with Windows 10 doesn't work with bluetooth headphones yet the headphones work with iOS, Android and OS X

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My work-purchased Alienware 2014 Windows Desktop with Windows 10 doesn’t work with my bluetooth A2DP headphones yet the same headphones work with iOS, Android and OS X! Silly!
Why? Because somebody broke the drivers for Bluetooth and/or changed them between Windows 8 when this PC came out and when Windows 10 came out? And Microsoft or Alienware did’t bother to update the drivers?!?!
If I can find a firmware update for the Alienware motherboard (since the bluetooth is on the motherboard) I bet that would fix it.
Or I suppose I can add a Bluetooth dongle.
This is unacceptable Alienware and Microsoft. This totally reminds me of S*msung and their refusal to update the firmware on their phones after about 1.5 to 2 years which is also unacceptable.