File: Hearts.of.iron.iv.v1.12.4.incl.all.dlc.zi... Online

: Focuses on British Commonwealth nations.

: Improvements to how territory is partitioned after wars, including better AI decision-making. File: Hearts.of.Iron.IV.v1.12.4.Incl.ALL.DLC.zi...

: Adds focus trees for Central European nations. : Focuses on British Commonwealth nations

As of patch 1.12.4 (released late 2022), "All DLC" typically includes the following major expansions found on the Hearts of Iron Wiki : File: Hearts.of.Iron.IV.v1.12.4.Incl.ALL.DLC.zi...

: Focuses on Turkey, Greece, and Bulgaria.

: Deep naval overhaul and focus trees for the US, UK, Mexico, and the Netherlands.

: If you own the game officially, use the Paradox Interactive Forums for support or verify file integrity via the Steam client.