installing OSARA on macOS 15, Sequoia Select the OSARA disc image. Open the disk image with Command+o. Show this folder in list view with Command+2 if you prefer. Select the Install OSARA.command terminal shellscript and open it with Command+O. A system dialog opens, informing you that this app cannot be verified by macOS. Dismiss the dialog with OK. To run this file on MacOS 15 Sequoia you must allow it to run from the Settings, Security and privacy category. VO+M to open the mac menu. Arrow down to Settings and hit enter. In the settings dialog you need to find the Security and Privacy category. The easiest way to do this is in the View menu. VO+M to open the menu, arrow right to View, arrow down to Security and privacy and hit enter. VO+right arrow to where it says OSARA has been blocked, or similar. VO+right arrow from there to an Open anyway button. VO+Space on that. The system will ask for your MacOS password so type that and hit enter. Close this dialog with Command+Q. You should now be back in the disc image folder. Run the file you tried to run before, Install OSARA.command, with Command+O. [The terminal opens and after a moment, the OSARA installation dialog. Here you can choose between Standard and Portable. For standard, just hit enter. this is what you will use for a normal installation of Reaper. The dialog now asks: Do you want to replace the existing keymap with the OSARA keymap? If you are installing for the first time, you want to start out with a clean copy of the OSARA Keymap. When you update OSARA in the future, keep saying Yes to this if you want the latest OSARA Keymap. When you inevitably start customizing your keystrokes, then saying No to this will update OSARA but preserve your customizations. Hit Enter to say Yes. The OSARA installation closes and you are back in the terminal. Shut that down with Command+q. Now run REAPER again to make sure that OSARA is working. Once REAPER has been restarted, up and down arrows will move between tracks in the OSARA keymap. If everything works as it should, we will hear "no tracks", because we have no tracks. Important note: You will need to run REAPER with a US English keyboard layout. This is to make sure that the hotkeys that we teach you will match up with the hotkeys that will work in REAPER on your machine. If you don't know how to do that, there is a tutorial available on the REAPER Made Easy Installing and Optimizing page: https://www.theglobalvoice.info/reaper/installing-and-optimizing/