Clean the floor thoroughly
Remove grease, paint, and debris
Repair cracks and holes
Test the concrete for sealer or coating
Strip any existing sealer if needed
Let the floor dry completely
Mask off walls and nearby surfaces
Choose the stain type and color
Mix the stain if required
Apply the stain evenly with a sprayer, brush, or mop
Work in small sections
Maintain a wet edge to avoid lap marks
Apply additional coats if needed
Let the stain dry fully
Rinse or neutralize the surface if required
Allow the floor to dry again
Apply a concrete sealer
Let the sealer cure before use