So, in this guide, you’ll learn how to change the background on Microsoft Edge Chromium. When you are using a new Microsoft Edge browser on your Windows 10/11 PC, you may often feel the urge to change the background of your browser when a new tab page is opened. There’s no doubt that the new Microsoft Edge (Chromium-based) is a browser for the future and it will slowly and gradually overtake Google Chrome, Firefox, and some others.