Unplug the microwave or turn it off
Remove the turntable and roller ring
Wash the turntable and roller ring with warm, soapy water
Wipe loose crumbs and debris from the inside
Fill a microwave-safe bowl with water and add lemon juice or vinegar
Heat the bowl for 3 to 5 minutes until steam forms
Keep the door closed for a few minutes
Carefully remove the bowl
Wipe the inside walls, ceiling, floor, and door with a soft cloth or sponge
Use a mild dish soap for stubborn spots
Clean the door seal and edges with a damp cloth
Dry all surfaces with a clean towel
Reinstall the turntable and roller ring
Leave the door open for a few minutes to air out