The most reliable way to download and manage a modern Bash version is through Homebrew , the popular macOS package manager.
Before downloading a new version, see what you currently have installed: Open the app. Type bash --version and press Enter . download bash mac
If it says version 3.2.x, you are using the outdated version bundled with macOS. 2. Download the Latest Bash via Homebrew The most reliable way to download and manage
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)" Use code with caution. by running the install command : brew install bash Use code with caution. If it says version 3
Simply downloading it doesn't make it your default shell. You must manually "whitelist" it and then switch to it.
by checking the version of the specific Homebrew path: /opt/homebrew/bin/bash --version Use code with caution.
(Note: Use /usr/local/bin/bash --version if you are on an older Intel-based Mac) . 3. Set the New Bash as Your Default Shell