Warhammer 40,000: Dawn Of War IV is an upcoming real-time strategy video game developed by King Art Games and published by Deep Silver. The fourth installment in the Warhammer 40,000: Dawn of War series, the game is set to be released for Windows PC via Steam on December 3, 2026. Out Thursday, December 3, 2026 on PC. RTS Developed by King Art Games · published by Deep Silver. Wiki link Release list and readership: Wikipedia.