Warhammer 40,000: Dawn of War IV arrives on Steam on December 3, 2026, with a 3-day early unlock from November 30 for the Commander Edition. Factions, modes, edition contents, prices seen on Steam France and what Deep Silver has not published yet.
Warhammer 40,000: Dawn of War IV, the new real-time strategy game from KING Art Games (Iron Harvest), published by Deep Silver, launches on December 3, 2026 on PC via Steam. Commander Edition owners can start playing on November 30 through a 3-day early unlock. KING Art moved the game to December 3 in an announcement on August 12, 2026, to spend more time on performance optimisation, bug fixing and polish. As of November 9, the Steam page still lists the system requirements as "coming soon", and the exact unlock time has not been announced.
Release date, editions and prices
Standard edition: the base game, on December 3, 2026.
Commander Edition: 3-day early unlock from November 30, plus a Blood Ravens story prologue, the AFTERMATH campaign expansion with a new faction, and the digital soundtrack, according to the official site. Steam describes it as the game plus the "Year 1 Expansion".
Platform: PC only, on Steam (Windows). No console version has been announced.
Prices on Steam France (checked November 9, 2026): €59.99 for the standard edition and €89.99 for the Commander Edition, shown at €53.99 and €80.99 with the 10% pre-order discount. Prices can differ in other stores and countries.
Four factions, four campaigns
Dawn of War IV is set on the planet Kronus and features four factions: the Space Marines (Blood Ravens, plus the Dark Angels as a playable sub-faction), the Orks, the Necrons and the Adeptus Mechanicus, who make their debut in the series. Each faction has its own campaign feeding into a single overarching story, with more than 70 missions in total, branching choices and co-op play. Deep Silver also highlights base building, capturing resource points, cover and garrisoned buildings, unit veterancy, synced kills driven by the new Combat Director system, and an enhanced Painter tool to customise your army's colours, decals and wargear.
Modes at launch
Campaigns, solo or co-op.
Skirmish against the AI.
Online multiplayer, with 30 multiplayer maps according to Deep Silver.
The Last Stand: the horde survival mode returns for three players, with 20 increasingly difficult waves. Each Commander can reach level 30 in a run and leads a Strikeforce of up to four Companion units. Five Commanders are available at launch, covering all four factions, with more planned as free DLC.
Year One after launch
KING Art plans free updates during the first year, including the return of Crusade Mode, new maps, modes and Commanders, and a Mission Editor. Two major story expansions are also planned and will add a new playable faction. In August, the studio said release dates for post-launch content would be announced later; as of November 9, we have not found a dated schedule from Deep Silver or KING Art.
What is still unknown (November 9, 2026)
PC system requirements: the Steam page only says "Requires a 64-bit processor and operating system", with the OS listed as "Coming soon".
The exact unlock time on November 30 and December 3, in Paris or anywhere else.
Dates for the Year One updates and story expansions.
Languages: full English voice acting only; the interface and subtitles are available in French and other languages, according to the official FAQ.
"Warhammer 40,000: Dawn of War IV – Official Game Overview Trailer", official Dawn of War IV YouTube channel, October 21, 2026 (8 min 41 s): the four factions, campaigns, Skirmish, multiplayer, The Last Stand and the Painter tool.
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