Step 1: Click on the three dashes in the top right corner.
Step 2: Click on settings in the menu.
Step 3: Click on History in the menu on the left.
Step 4: Click on Clear browsing data…
Step 5: Click on Clear browsing data on the bottom. Your browser cache is now empty.
Force Refresh Chrome
You can achieve this by pressing the following key combination: Shift + Ctrl + F5
Find out more for instructions of how to refresh your cache for each device and main browser types (and versions).