Install zsh:

sudo apt-get install -y zsh

Install Antigen:

curl -L git.io/antigen > antigen.zsh

~/.zshrc:

source ~/antigen.zsh
antigen use oh-my-zsh
antigen bundle zsh-users/zsh-syntax-highlighting
antigen bundle zsh-users/zsh-autosuggestions
antigen bundle zsh-users/zsh-completions
antigen theme bira
antigen bundle genpass
antigen apply

Find more themes here

Reference