Peel or scrape off as much adhesive as possible with a plastic scraper, credit card, or fingernail
Apply heat with a hair dryer to soften the adhesive
Use rubbing alcohol, acetone, or adhesive remover on a cloth
Let the solvent sit briefly, then wipe or scrape away the residue
Wash the area with warm soapy water after removal
Repeat the process if needed
Test solvents on a small hidden area first
Use oil or peanut butter for some sticky residues on skin or delicate surfaces
Avoid abrasive tools on painted, plastic, or delicate finishes
Wear gloves and work in a well-ventilated area when using strong solvents