As window 10 has launched it has many cool features which you don't know . Many new features came like Microsoft edge finally replace internet explorer and many more cool features which are given below 1.Dynamic lock Dynamic lock uses your phone to unlock your pc by Bluetooth . It is a very good feature for those who work in an office and donot want any employee to use his computer . Whenever you go out with your mobile phone it automatically lock because your Bluetooth get disconnected after disconnected it locks after 1 minute but to open your pc you have to manually enter the password . But to use this feature you must have Bluetooth available in computer and password lock should be there. Steps to use this feature 1You must have password enable after it go to the settings and go to accounts after it you will find sign in option at left side click on it 2 Here scroll down and you will find dynamic lock here s...