For ambitious DIYers, deck stairs are a natural next project after building a stylish floating wood deck. Or perhaps your old stairs have worn out from years of exposure to the sun, moisture, and use.

Dear James: My old wood deck is deteriorating and the stairs could be hazardous. What is the easiest way to install new ones for an inexperienced DIY-er? — Shantell K. Dear Shantell: You are correct ...