Homebrew installation

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
==> Checking for `sudo` access (which may request your password)...
Sorry, user sf may not run sudo on Ms-MacBook-Pro.
Need sudo access on macOS (e.g. the user YOUR_USERNAME needs to be an Administrator)!

sudo /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
Password:
==> Checking for `sudo` access (which may request your password)...
Don't run this as root!

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
==> Checking for `sudo` access (which may request your password)...
Homebrew on Linux is not supported on ARM processors.
  https://docs.brew.sh/Homebrew-on-Linux#arm-unsupported

User installation

https://stackoverflow.com/a/55021458

cd $HOME && git clone https://github.com/Homebrew/brew.git && ./brew/bin/brew tap homebrew/core
echo "export PATH=$HOME/brew/bin:$PATH" >> ~/.zshrc 
echo "export PATH=$HOME/brew/bin:$PATH" >> ~/.bashrc

Verify:

exec $SHELL

which brew # see that brew is found in your path

du -hs $HOME/brew
640M	/Users/YOUR_USER/brew

Related

• brew install
• /opt/homebrew/
• ~/.zprofile
• brew autoupdate start --upgrade

See also

• brew: update | upgrade | autoupdate | install | uninstall | services | list, cask | cleanup | doctor | test | link | unlink | changelog | tap | info | search | install --cask | analytics off | --prefix | --version | brew --help ]
• Homebrew, brew, pkgutil, /opt/homebrew/, installation