I wouldn't .
You don't have to remove old wallpaper to hang new wallpaper, however, depending on the quality of the new wallpaper it might look better if you do remove the old paper first.
form_title= Butterfly Wallpaper form_header= Create a dream oasis with butterfly wallpaper. Where are you installing the wallpaper? *= _ [50] How much wallpaper do you need?*= _ [50] Do you need to remove old wallpaper*= () Yes () No
form_title= Brick Wallpaper form_header= Add depth to your home with brick wallpaper. Where are you installing the wallpaper?*= _ [50] How much wallpaper do you need?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No
form_title=Wallcovering or Wallpaper Repair form_header=12123 Please specify which problems are in need of repair.*= [] Peeling [] Bubbles [] Rip [] Exposed seams [] Water damage [] Holes [] Other Is there any additional matching wall-covering stocked with you?*= () Yes () No
form_title= Beadboard Wallpaper form_header= Install new wallpaper in your home. What color wallpaper do you want to install?*= _ [50] Have you ever installed wallpaper?*= () Yes () No Do you need to remove old wallpaper?*= () Yes () No
You can go to your mobile desktop features of Laptop Desktop Features to change the wallpaper of your device. When you select a new background, it automatically replaces the old background.
form_title= Purple Wallpaper form_header= Install purple wallpaper in your home. What are the dimensions of the room?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No Do you need someone to install the wallpaper?*= () Yes () No
form_title= Designer Wallpaper form_header= Install designer wallpaper in your home. What designers are you most interested in?*= _ [50] What color wallpaper do you want?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No
form_title= Damask Wallpaper form_header= Install new wallpaper in your home. What color paper do you need?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No Do you want vinyl Damask wallpaper?*= () Yes () No
form_title= Paintable Wallpaper form_header= Add your personal style to your home. What rooms will you be installing the wallpaper?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No What color would you like the wallpaper?*= _ [50]
form_title= Mural Wallpaper form_header= Add character to your home with mural wallpaper. How much wallpaper do you need?*= _ [50] Do you need to remove old wallpaper?*= () Yes () No What would you like featured on the mural?*= _ [50]