Install zsh/zimfw on Ubuntu 20+

Install zsh

Open terminal and run

curl -fsSL https://raw.githubusercontent.com/zimfw/install/master/install.zsh | zsh

Check zsh is installed

Open terminal and run

which zsh

Config zsh

Open terminal and run

zsh

Config whatever you like
I choose 0

Install zimfw

1. Download this file from

https://github.com/zimfw/install/blob/master/install.zsh

1. Open terminal, type in zsh, cd to the directory that contains the file you just downloaded, type zsh ${fileName}

Config / Add theme

1. Go to file .zimrc
2. Edit zmodule ${themeName}. default is asciiship
3. Save
4. Run Zimfw install inside zsh terminal or just restart the terminal