To be able to unlock, especially in relation to the biometric section, it is essential to have compatible hardware. Security key : we can use a FIDO key or similar to unlock.Fingerprints : if our computer has a fingerprint reader, this can be a good system to configure.Facial unlocking : the camera we have will help us to unlock the computer, as long as it is compatible.Image password : the computer will be unlocked if a certain pattern on the image, something that we have previously configured.Password : in this case we can choose letters and symbols.PIN : we can put a series of numbers to unlock the PC.We can unlock the computer in various ways, some classic and others more modern today.