If you don't own the DLCs, your Steam/Epic folder won't have these files. You must source them from third-party sites like Strategium 🔑 Common Unlocker Tools CreamAPI / SmokeAPI (Steam):
If you still want to use a DLC unlocker, here are some general steps: eu4 dlc unlocker
Common tools used to spoof ownership by intercepting Steam's API calls to make the game believe all app IDs are owned. If you don't own the DLCs, your Steam/Epic
At its core, an EU4 DLC Unlocker is a third-party software tool or a cracked launcher designed to trick the Steam client or the Paradox Launcher into thinking you own all the DLCs, even when you only own the base game. If you don't own the DLCs