Change the .fbx file association to blender_to_os.bat. To do this, right-click any .fbx file, click Properties, and change the Opens with preference. Click on more apps↓, scroll down and select Look ...
Face Mapper: Real-time face tracking from your webcam to drive blendshapes and head bone rotation on your 3D characters. Papagayo Lip Sync MultiMesh: Synchronize lip movements across multiple mesh ...