Dust the wall with a dry microfiber cloth or duster
Vacuum corners and edges with a brush attachment
Mix warm water with a small amount of mild dish soap
Test the solution on a hidden spot
Dampen a sponge or soft cloth with the solution
Wipe the wall gently from top to bottom
Rinse the cloth with clean water and wipe again
Dry the wall with a clean towel or dry cloth
Use a magic eraser for scuffs if needed
Spot-clean stains with a gentle cleaner suitable for the wall finish
Avoid soaking the wall
Let the wall air-dry completely