Acquia can install Dev Desktop on your computer for free. It also has a Cloud function for free. However, if you want to be on the Internet so that people can visit, you must pay a subscription cost.
Geller shows you how to install by going to the LINUX shell. You don't need to do that! The installation process entirely through cPanel. Check cPanel Drupal insstall for directions.
Drupal version 7 releases change like crazy. If you get confused with Geller's down-level tutorials, get in touch.
Programs and information provided by email@example.com.