How to clear caching in Drupal

Step 1: Log into your Drupal admin interface.
Step 2: On the top menu bar, locate the Configuration option and click on it.
Step 3: This brings you to the main Configuration category screen. Find the subcategory named Development and click on the Performance link.
Step 4: Once on the Performance screen, look to the button on the screen at the top named Clear All Caches. Give it a click.
Step 5: You have now cleared out all caches in Drupal.