Peel off as much of the sticker as possible by hand
Soften the residue with warm soapy water
Rub the area with a microfiber cloth
Apply rubbing alcohol to a cloth and wipe the residue
Use white vinegar on a cloth for stubborn residue
Apply a small amount of cooking oil or baby oil and let it sit briefly
Scrape gently with a plastic card or plastic scraper
Use a commercial adhesive remover if needed
Wash the surface with soap and water after removing the residue
Dry the area completely with a clean cloth