How to install Iterm2 & oh my zsh via homebrew on Mac?

Step 1: Download the iterm2 from https://www.iterm2.com

Step 2: Run the terminal and install the homebrew as bellow:

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

Step 3: install “wget” by homebrew as bellow:
sh -c "$(wget https://raw.github.com/robbyrussell/oh-my-zsh/master/tools/install.sh -O -)"

note: if you can’t not run the above correctly can try this step below firstly
export https_proxy=http://127.0.0.1:8889