Download

Latest Version 5.1.5 is released on March 28, 2026.
Release Notes

For Windows, download from below.
MuseScore 3 and 4 compliant. (Plugins for JapoScore work only on MuseScore 3)
JapoScore Version 5.1.5 for Windows (42632 ダウンロード)

For Mac OSX, download from below.
MuseScore 3 and 4 compliant. (Plugins for JapoScore work only on MuseScore 3)
JapoScore Version 5.1.5 for Mac (29064 ダウンロード)

For Mac OSX (macOS 10.13.6), download from below. JapoScoreV3.9.12　and later versions cannot run on macOS 10.13.6 (Sorry!)。