Please see our new Quickstarts documentation for Kalatheme 3.0 on Github: https://github.com/drupalprojects/kalatheme/wiki/Quickstarts
Documentation below may be out of date for Kalatheme 3.0 install. Proceed at your own risk.
If you just want to get spun up and working as quickly as possible you have two good approaches.
You can also follow the below steps on YouTube.