: For many tools (like Terrain Builder) to function correctly, you must set up a virtual "P: Drive" using the utility found within the tools launcher. System Permissions

To maximize your efficiency, many developers pair the free Arma 3 Tools with these community staples: Mikero's Tools

The ability to directly from Steam is Bohemia Interactive's gift to the creative community. Whether you want to build a simple 10-minute night raid mission or a 1024km² desert island, the tools are waiting in your Steam Library right now.