Today’s door locks can be separated into three categories ... they replace part of your existing one (usually the interior side with the thumb-turn). This allows you to essentially keep ...

which replace only the part of the lock that’s on the interior side of a door. Because the exterior part of your deadbolt remains, you can still use your physical keys but also lock and unlock ...

The kits come with all of the items you need, and most are universal as either entry locks (meant for exterior doors) or interior locks. This guide will cover how to change a door lock with a ...

Here’s how it works. The best smart locks provide a lot more than just convenience. With remote control and monitoring over your door, you'll know if someone enters your home or be able to let ...

Forget keys! The best smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for ...