（Latest Version 3.3.0 is released on January 22nd, 2020）Release Notes
For Windows, download from below.
MuseScore 3 and MuseScore 2.2 compliant.
“JapoScore Version 3.3.0 for Windows” をダウンロード JapoScoreWin-3.3.0.zip – 3070 回のダウンロード – 11 MB
For Mac OSX, download from below.
MuseScore 3 and MuseScore 2.2 compliant.
“JapoScore Version 3.3.0 for Mac” をダウンロード JapoScoreMac-3.3.0.zip – 1204 回のダウンロード – 19 MB