This tutorial will show you how to replace a browser icon (favicon) in Magento.
You can use your own favicon, or you can create a new one. There are many online services that will allow you to create a favicon image for free.
For example favicon.ico Generator.
Log into your Magento admin panel and navigate to System > Configuration:
Navigate to General > Design tab:
Expand HTML Head section and find Favicon option:
Click Choose file button and choose your favicon image file:
After choosing the file, click Save config button:
Refresh your website to see changes, favicon is successfully changed now.
Feel free to check the detailed video tutorial below: