Create new brand
1. Create new brands/manufacturer at Catalog > Manufacturer.
2. Type in your brand name and upload to brand logo image, if any.
3. Input the SEO name for the brand, make sure there's no spaces, use dash "-" instead.
4. Save.
Associate product with brand.
1. Open up a product page.
2. Go to the Links tab.
3. Type in the Brand in the Manufacturer field.
4. Save.