• Add the necessary plugins:

git clone https://github.com/zsh-users/zsh-autosuggestions.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
git clone https://github.com/Pilaton/OhMyZsh-full-autoupdate.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/ohmyzsh-full-autoupdate

• Add the necessary plugins:

plugins=(
    ...
    git
    zsh-autosuggestions
    zsh-syntax-highlighting
    ohmyzsh-full-autoupdate
)

Manual

git clone --depth=1 https://github.com/van4kk/van4kk-zsh.git ~/van4kk
echo 'source ~/van4kk/van4kk.zsh-theme' >> ~/.zshrc

• Or add the van4kk.zsh-theme the file to ~/.oh-my-zsh/custom/themes/

Oh My Zsh

git clone --depth=1 https://github.com/van4kk/van4kk-zsh.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/themes/van4kk

• Open ~/.zshrc and add ZSH_THEME="van4kk/van4kk"

In the end..

source ~/.zshrc # or `zsh` if you have the alias set

• suggetion: Show conflict state