Install composer in your pc and run:
composer global require oneago/installer
Next steep depends of your OS
nano ~/.bash_profile
add into new line export PATH="$HOME/.composer/vendor/bin:$PATH"
Add into Windows system variables this %USERPROFILE%\AppData\Roaming\Composer\vendor\bin
nano ~/.bashrc
add into new line export PATH="$PATH:$HOME/.config/composer/vendor/bin" or export PATH="$HOME/.composer/vendor/bin:$PATH"
finally run
source ~/.bashrc