Install Oh My Zsh and Configure on macOS with iTerm2

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1. Install iTerm2

• Download iTerm2 from iTerm2 Official Website.
• Optionally, set it as the default terminal: Preferences → General → "Make iTerm2 Default Term".

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2. Install Zsh

• Zsh is pre-installed on macOS. To upgrade:

  brew install zsh

• Verify installation:

  zsh --version

• Set Zsh as the default shell:

  chsh -s $(which zsh)

• Restart iTerm2.

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3. Install Oh My Zsh

• Run the following command:

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

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4. Install Plugins

• Open the configuration file:

  nano ~/.zshrc

• Add plugins:

  plugins=(git z zsh-autosuggestions zsh-syntax-highlighting)

Install additional plugins:

• zsh-autosuggestions:

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

• zsh-syntax-highlighting:

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

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5. Install Powerlevel10k

• Clone the theme:

  git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/themes/powerlevel10k

• Set the theme:

  ZSH_THEME="powerlevel10k/powerlevel10k"

• Reload Zsh:

  source ~/.zshrc

• Configure the theme:

  p10k configure

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6. Install Nerd Font

• Download a Nerd Font from Nerd Fonts. Recommended: Hack Nerd Font or MesloLGS NF.
• Install the font by opening the .ttf file.
• Set the font in iTerm2: Preferences → Profiles → Text → Change Font → Select the Nerd Font.

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7. Reload Configuration

source ~/.zshrc