Using the front-end, the mod will be copied to EU4 mod directory, located in the user's documents, usually C:\Users\User\Documents\Paradox Interactive\Europa Universalis IV\mod.
Converter supports compressed save games.
Europa Universalis IV, with optional expansions, latest version is required.
Crusader Kings III with optional expansions, latest version is required.
1.3.6 Buildings, Development and Wonders.
1.3.5 Diplomacy, Vassals, Tributaries and Personal Unions.