Released on 6 June 2016, this video game is available on multiple platforms including Microsoft Windows, macOS, and Linux, and it has won great popularity among game lovers.
It was developed by Paradox Development Studio and published by Paradox Interactive. Hearts of Iron IV, also known as Hearts of Iron 4 or HOI4, is a grand strategy computer wargame focusing on World War II. Fix 3: Verify the Integrity of The Game File.Fix 1: Give Administrator Permissions and Disable Fullscreen Optimization.