brew install fish
Add brew binary in fish path (More info: https://fishshell.com/docs/current/tutorial.html#tut_path )
set -U fish_user_paths /usr/local/bin $fish_user_paths
sudo echo /usr/local/bin/fish >> /etc/shells
chsh -s /usr/local/bin/fish
brew install fish
set -U fish_user_paths /usr/local/bin $fish_user_paths
sudo echo /usr/local/bin/fish >> /etc/shells
chsh -s /usr/local/bin/fish