The following are the iTerm2 setup details which I followed for my OSX
Installation steps for iterm2 and oh-my-zsh can be followed from this medium article by Adesh Gautam
Source: Powerup your terminal using Oh My Zsh and iTerm2
Remove username@machine_name from the prompt by adding the below command in ~/.zshrc file
export DEFAULT_USER=`whoami`
Source: Gist .zshrc file
If you thing, the above customizations are not enough, try this one which has steps for VSCode integrations too
Source: Configuration of a beautiful efficient terminal and prompt on OSX in 7 minutes
- Used Powerlevel10k Theme
You are not left alone, follow the below article to get these features on Windows