First, download whichever version of MacOs you are using.
curl https://localtonet.com/download/localtonet-osx-64.zip -o osx-64.zip
Extract the downloaded file from the zip.
In the terminal window, navigate to the folder that contains the Localtonet app files for macOS
In order to run the Localtonet app, you need to grant the executable permissions to run.
sudo chmod +x localtonet
Type in the password of your admin account and hit enter to grant the executable permission to run