Instead, it uses voice and face recognition technology to ensure that no unauthorized person logs in to your account. KeyLemon, a desktop program that unlocks your Windows session without you having to enter your password, is available. It can even take longer than what I have to enter as a password. My experience with this program has been that it takes a while to recognize me. It can also take photos of your face every single day to monitor any changes in your appearance. To ensure that the program can identify you accurately, you can create multiple faces and voice models. KeyLemon can identify you accurately without relying on one picture or voice record. KeyLemon 4.0.3 can be downloaded for free by all Windows software users. This is a freeware download for Windows 32-bit and 64 bit operating systems on a desktop or laptop PC using pc locking software. You can then identify any potential intruders.