William Jamieson commented,
Inasmuch as my Mac operating system (macOS Sierra 10.12} is not supported by Print Music 2011. is it possible to revert back to my previous operating system?
William Jamieson created a post,
Print Music 2011, and the latest Apple operating system. I will be working on something and it will quit suddenly, causing me to loose every thing. I click on the kind of note I want and click on...