Plug in your steamer and let it heat up for 10 to 15 minutes.
Put on rubber gloves to protect your hands from burns. Wear long sleeves and long pants to protect the rest of your body.
Hold the steamer head over the painted wood. Let the steam soften the old paint for 30 seconds to one minute. Remove the steamer head.
Scrape the paint from the window frame with a dull putty knife. The paint will lift easily from the wood.
Move the steamer onto another area and repeat the process. Continue with this method until all of the paint is removed. Some light paint residue might remain. The residue will be soft.
Scrape off the remaining paint residue with a paint scraper. Hold the scraper firmly in one hand and pull the tool toward you to pull up the paint.