: If Homebrew consistently fails due to your OS version being out of support, many users find success by using MacPorts instead: sudo port install graphviz . 2. Manual Installation (Windows & macOS)

: Run unset HOMEBREW_BOTTLE_DOMAIN in your terminal and try the installation again.

: Ensure your package manager is current by running brew update .

: Download the stable release directly from the Graphviz Download Page.