Check the care tag for cleaning instructions
Vacuum the couch thoroughly
Remove cushions and vacuum seams and crevices
Test any cleaner on a hidden spot first
Mix a mild cleaning solution if allowed by the care tag
Dampen a clean cloth with the solution
Blot stains gently instead of rubbing
Wipe the fabric in small sections
Use a soft brush for stubborn spots if safe for the fabric
Rinse with a cloth dampened with clean water
Blot excess moisture with a dry towel
Let the couch air dry completely
Fluff cushions and vacuum again after drying