How to Create Sub-Theme in Drupal 7 for Bootstrap Project
How to Create Bootstrap SubTheme in Drupal 7
A full instruction to create sub-theme in Drupal 7

Official Guide to create subtheme

https://www.drupal.org/docs/7/theming/creating-a-sub-theme

Download Bootstrap Theme for Drupal 7
https://www.drupal.org/project/bootstrap

Related Posts..

• Install WordPress on Windows 10
• Install PHP 7, MySQL and Apache on Windows 10
• Install Joomla on Windows 10
• Best Drupal Hosting
• Convert Drupal 8 into a PWA