: Uninstall any versions older than v2.4.0 before starting. Your existing user data (packs) will be preserved.
Download v2.8.1 from Yamaha’s official site, run as administrator, and within 10 minutes you will be generating your first custom expansion. yamaha expansion manager v281 for windows 10 81 install
Double-click. The UAC prompt flickered. Do you want to allow this app to make changes? : Uninstall any versions older than v2
without being nagged: Uncheck “Check for updates automatically” under Tools > Settings > General . run as administrator