If you for some reason need to run Logisim on your Mac running Catalina, Big Sur or later and can't use an updated fork like Logisim Evolution then here are the instructions for you.
- Download the
.jar
version of Logisim from the SourceForge. You wantlogisim-generic-2.7.1.jar
. Do not, bother trying to install from the file labelledlogisim-macosx-2.7.1.tar.gz
, this will not work. - Make sure you have Java on your Mac. If you don't, install it from https://www.java.com
- Open the Finder and hit ShiftCmdG on your keyboard and paste in
/System/Library/CoreServices/
and hit Enter to navigate to this folder. In here locate a file called eitherJava Launcher.app
orJar Launcher.app
- Open System Prefrences and navigate to Security & Privacy → Privacy → Full Disk Access.
- Unlock the padlock in the bottom left by clicking it and