Download all 5 ZIP parts and extract them into the SAME empty folder. On Windows, double-click rebuild.cmd. The resulting original installer is ledok-express-mac-version.dmg. Original SHA-256: b29bb0b72bf06315c9035383acfb4474da7b3cf99cd246d063ea6b8a544aeed8. This package only reconstructs the file; it does not install or run it.