: The base game is free, but DLCs (Downloadable Content) still require purchase if you want to expand features like playing as certain religions or eras .
: The most common way to play is through Crusader Kings II on Steam , where the base game has been free since October 2019 .
: The game requires approximately 2 GB of installation space, though this can increase slightly with DLCs .
The base game of is officially Free to Play . You can download it directly from official platforms rather than using third-party download sites. Where to Download
: You can also find information on the official Paradox Interactive website . Key Game Details