Turn off power to the room and remove outlet and switch covers
Protect floors and nearby surfaces with drop cloths or plastic sheeting
Test a small area to identify the wallpaper type and adhesive strength
Score the wallpaper lightly if it is vinyl or non-porous
Mix warm water with wallpaper remover or use a vinegar solution
Apply the solution with a spray bottle, sponge, or roller
Let the solution soak into the wallpaper for several minutes
Start peeling at a seam or corner with a putty knife or scraper
Scrape off remaining paper and adhesive carefully
Reapply solution to stubborn areas and repeat soaking
Use a steamer for difficult sections if needed
Remove leftover paste with warm water and a sponge
Wash the wall and let it dry completely
Repair any wall damage with joint compound or filler
Sand smooth before painting or applying new wallpaper