Sand the surface of your old furniture if the finish is glossy or shiny. Use a fine-grit sandpaper and sand long enough to remove the high-gloss sheen.
Use a degreaser and a clean rag to wipe away dirt and grease from the furniture.
Apply one to two coats of paint primer to the furniture with a paintbrush and a paint roller. Use a foam paint roller for best results. The primer will help the paint stick to the furniture. Let each coat dry completely.
Apply a coat of paint to the furniture and let it dry completely, using a paintbrush and paint roller; use a foam paint roller for best results. Allow the coat to dry, then spread a second coat of paint on the furniture.
Allow the furniture to sit for several days before using it. This will give the paint time to cure.