Oh-my-zsh

1. Clone this repository in oh-my-zsh's plugins directory:

   git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting

2. Activate the plugin in ~/.zshrc:

   plugins=( [plugins...] zsh-syntax-highlighting)

3. reload zsh

   source ~/.zshrc