You can either download the complete installer (including the JDK) from http://computermusicnotation.com or clone this GitHub repository to Max 8/packages/. Additional resources for Ableton Live can be found here: https://github.com/HfMT-ZM4/LiveScore. Clone this repo into your Ableton Live User Library. First delete any previous MaxScore installations in your Max 8/Packages folder(s). When cloning MaxScore from GitHub, make sure that you have the correct Java JDK installed. Tutorials and guides on MaxScore can be found in the Max Reference (look for it in the Help menu). In the Max Reference, go to Home and scroll down to the Contents section.