You can repaint anything. You should sand the surfaces to smooth out the wood and to create a porous surface. Clean any dust or crud off of the stairs before painting again. If you are going to stain the surface, then you will have to remove the paint first. To do this, you can either strip or sand the stairs.
The decorative wood on a staircase is called "wainscot"
To fix cracked wood, you can fill the crack with wood filler or epoxy resin, sand it smooth, and then refinish or repaint the wood surface.
To fix screw holes in wood, you can fill them with wood filler or a wooden dowel, sand the area smooth, and then repaint or refinish the wood as needed.
First, remove any paint or other finishes. Use sandpaper, electric sander, and paint scrapers.
To repair screw holes in wood effectively, you can fill the holes with wood filler or a wooden dowel, sand the area smooth, and then repaint or stain the wood to match the surrounding surface.
To fix a crack in wood furniture, you can fill it with wood filler or epoxy resin, sand it down once dry, and then refinish or repaint the area to match the rest of the furniture.
There really isn't a way to remove a paint thinner stain from wood furniture. You must repaint or re-stain the furniture.
You have to defeat the two wooden guys on the next level. Just up the stairway.
Repaint is a verb.
The stairway was steep. I avoided the dark stairway.
To repair rotted wood effectively, start by removing the rotted parts using a chisel or saw. Then, treat the remaining wood with a wood hardener to strengthen it. Fill in any holes or gaps with an epoxy wood filler. Sand the area smooth and repaint or seal the wood to protect it from further damage.
To fix door hinge holes, you can fill them with wood filler or dowels, then sand and repaint the area for a smooth finish.