How to install oh-my-zsh and zsh-autosuggestions for macbook

Step 1: Install oh-my-zsh via curl

sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

Step 2: Add autocomplete plugin

git clone https://github.com/zsh-users/zsh-autosuggestions ~/.oh-my-zsh/custom/plugins/zsh-autosuggestions
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting
git clone https://github.com/zsh-users/zsh-completions.git ~/.oh-my-zsh/custom/plugins/zsh-completions
git clone https://github.com/zsh-users/zsh-history-substring-search.git ~/.oh-my-zsh/custom/plugins/zsh-history-substring-search

Step 3: Open .zshrc and paste those code at the end of the file

# Terminal autocomplete fix
autoload -Uz compinit && compinit

plugins=(
    git
    docker
    asdf
    zsh-autosuggestions
    zsh-completions 
    zsh-history-substring-search 
    zsh-syntax-highlighting
)
source /PATH/TO/zsh-autosuggestions/zsh-autosuggestions.zsh
source /PATH/TO/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh

Note: Change /PATH/TO with the path to zsh-autosuggestions and zsh-syntax-highlighting in your local macbook

Step 4: Done :D