Place the directory "io_import_apx" in one of your Blender plugin folders.

A set of .apx files I exported from the game, or made myself, both clothing and hairworks, so that you can try the plugin easily.

Place the directory io_scene_apx in one of your Blender plugin folders.

Place the directory io_scene_apx in one of your Blender plugin folders.

Place the extracted directory io_mesh_apx into one of your Blender addon folders.