is not the latest, and it never will be again. But it is the "Nokia 3310" of music notation—indestructible, predictable, and perfectly functional. If you are a professional who needs to get a score done today without waiting for a software update or fighting a new UI, this is your tool.
MuseScore offers a range of tutorials and resources to help users get started and to learn more about the software. Some of the key resources include: musescore 2.3.2