He added RealmOfTheAncients.exe to the list. He forced “WARP” software rendering, then overrode it with “Hardware Feature Level 9_3.” He was building a lie so complex that Windows 11 would have no choice but to believe the game was running on an old NVIDIA 8000 series card.
Run a game that requires DirectX 11 or 12 on older hardware that only supports DirectX 10 (a technique often called "WARP" or software emulation). dxcpl windows 11 exclusive
Some games are notorious for refusing exclusive fullscreen on Windows 11 without Dxcpl. Here is a "Hall of Fame" for the dxcpl fix: He added RealmOfTheAncients