https://wccftech.com/battle-for-azeroth-patch-8-1-5-dx12-win7/

World of Warcraft: Battle for Azeroth patch 8.1.5 has been rolled out Blizzard has announced that the game now supports DX12 for Windows 7 players.

Battle for Azeroth already supported the DX12 API for Windows 10 users and those on Windows 7 will now also be able to take benefit from the DX12 performance gains on GPUs that support the support API on Windows 7.