Gently peel up one corner with your fingernail or a plastic scraper
Warm the sticker with a hair dryer for 20 to 30 seconds
Slowly lift the sticker while continuing to warm it
Rub remaining adhesive with a cloth dampened with warm soapy water
Use a small amount of rubbing alcohol on a soft cloth for stubborn residue
Try white vinegar on adhesive residue if needed
Apply a little cooking oil or mineral oil to loosen sticky residue
Wipe the area clean with a dry cloth
Use a plastic scraper for leftover bits, not a metal blade
Test any liquid on a hidden spot first
Avoid soaking the wood
Dry the wood completely after cleaning