While this may leave a sour taste in the mouths of Windows 7, 8 or 8.1 users, those who really want to take advantage of DX12 and all it offers only have to spend $0 to upgrade to Windows 10. Just think of it this way. You'll likely have to get a new GPU, one that is DX12 ready and the money you saved on the OS can be put towards that instead.
Stay tuned for more information.
Source: www.rockpapershotgun.com