How to Install REI3 on macOS
REI3 is a free and open-source music synthesis software that can be used on macOS. In this tutorial, we will guide you through the steps of downloading and installing REI3 on your macOS computer.
Prerequisites
Before you proceed with the installation process, make sure your macOS computer meets the following requirements:
- macOS version 10.11 or newer
- At least 2 GB of RAM
- 1 GHz or faster processor
- Sound card or audio interface
Step 1: Download REI3
You can download the latest version of REI3 from the official website https://rei3.de/home_en/. Once you are on the homepage, click on the "Download" button.

Step 2: Install Xcode Command Line Tools
REI3 requires Xcode Command Line Tools to be installed on your macOS computer. If you already have Xcode installed, you can skip this step.
To install Xcode Command Line Tools, open the Terminal application on your macOS and enter the following command:
xcode-select --install
Follow the on-screen instructions to complete the installation process.
Step 3: Install Homebrew
Homebrew is a package manager for macOS that allows you to easily install and manage various software packages. REI3 requires Homebrew to be installed on your macOS computer. If you already have Homebrew installed, you can skip this step.
To install Homebrew, open the Terminal application on your macOS and enter the following command:
/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
Follow the on-screen instructions to complete the installation process.
Step 4: Install REI3
Once you have Xcode Command Line Tools and Homebrew installed on your macOS computer, you can proceed with the installation of REI3.
Open the Terminal application on your macOS and enter the following command:
brew install rei3
Homebrew will automatically download and install all the necessary dependencies for REI3.
Step 5: Launch REI3
To launch REI3, open the Terminal application on your macOS and enter the following command:
rei3
REI3 will launch and you can start using it to create music.
Conclusion
Congratulations! You have successfully installed REI3 on your macOS computer. Now you can enjoy creating music using this amazing software. If you encounter any issues during the installation process, please refer to the official documentation at https://rei3.de/docs/ for further assistance.