MuseScore est sous licence GNU GPL.C'est multi plate-forme :
Plein de tutos en ligne
https://www.youtube.com/watch?v=IZ1b1aF9lpg
Minimum requirements
Windows :
Windows 8.x, Windows 7, Vista, or XP. MuseScore ne fonctionne pas avec Windows RT.
125 Mo d'espace disque disponible
128MB RAM
1024 par 768 pixels ou plus de résolution d'affichage.
Mac :
Mac OS X 10.6+
Processeur Intel 64 bit (Core 2 Duo et au dessus)
145MB d'espace disque disponible
256MB RAM
1024 par 768 pixels ou plus de résolution d'affichage.
Linux :
Ubuntu: Search for "musescore" in the Ubuntu Software Center.
Mint: Search for "musescore" in Software Manager.
Arch Linux: The musescore package is always the most recent release version of Musescore. Just run "pacman -Sy musescore" as root to install and then keep up-to-date with "pacman -Syu".
Debian: The package "musescore" can be installed from the main repository using your favorite package manager. A more up-to-date package is often available in the "unstable" (sid) distribution, as well as in the backports.
Fedora: Check your package manager or run "yum install mscore" as root.
Mageia: Download the correct RPM package using Mageia Control Center.
PCLinuxOS: Available in the PCLinuxOS repositories.
Gentoo: Available in Portage. Just run "emerge musescore".