# check the zsh info
brew info zsh
# install zsh
brew install --without-etcdir zsh
# add shell path
sudo vim /etc/shells
# add the following line into the very end of the file(/etc/shells)
/usr/local/bin/zsh
# change default shell
chsh -s /usr/local/bin/zsh
# 1. download (currently the latest version is 5.8) and extract
wget https://sourceforge.net/projects/zsh/files/latest/download -O ./zsh-latest.tar.xz
mkdir zsh-latest
tar -xf zsh-latest.tar.xz -C zsh-latest --strip-components=1
cd zsh-latest
# 2. config, build, install
./configure
make -j4
sudo make install
which zsh