Go to PRODUCTS >> Brands menu of your Dashboard. This is the page where we can add a new brand. Click on the ADD BRAND button and enter the required information in to the related fields. You can even add an image for your brand!
Now go to the PRODUCTS >> All Products menu. There is a Settings Icon for each product just the and of Product Information bar. By clicking that icon, you select Edit from the drop down menu.
In the Product Information Page, just scroll down to Brands field and select the Brand that you've created before and wish to assign to the product.
Your product is now more powerful with its Brand Information!
To learn more about Brands you can read these articles.