~/.local/bin.
Prebuilt releases are available for Linux x86_64 and Apple Silicon macOS (aarch64). ARM64 Linux and Intel macOS (x86_64) are not currently packaged; the installer directs those systems to install with Cargo.
INSTALL_DIR to install somewhere else. The installer expects a midway-<rust-target>.tar.gz release asset containing the midway executable.
Verify the installation: