Clone the repo:
git clone https://github.com/martinhipp/dotfiles.git ~/.dotfiles
Install oh-my-zsh and the zsh-syntax-highlighting plugin:
$ git clone https://github.com/ohmyzsh/ohmyzsh.git ~/.oh-my-zsh
$ git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
Then run the install script:
$ cd ~/.dotfiles
$ ./install.zsh