Can I install a keyed lock in my sliding patio door if it didn't come with one?Roger E., Katy, Texas You have two options: You can get a general retrofit kit from an outfit like Swisco.com (it bills ...

Remove the deadbolt lock. Use a screwdriver to take out the screws on the inside of the door. Check your user manual for the required dimensions, and if necessary, use a hole saw to cut the ...