There was once when the data protection was done via creating a lot of local accounts as well as the security software. A lot of precaution were needed to make the data and drive more and more secure. It is the data encryption for the drive which was first made for windows vista. One can have the access to bitlocker via control panel. Also the command line method is applicable by typing the command ‘manage-bde’. You can see the lists for it and can do bit locker turn on/off as required. This feature was first used in windows vista. As the evolution of windows was on, the other OS of windows has been using this feature. You can find it in control panel, or simply you can access this feature via right clicking the drive you want to encrypt. Sometimes due to the user faults, unknowingly the drive contents get disturbed. So in order to use this feature, user must be aware of making the use of recovery password and recovery key. If you are geek then you must get help from the command line. The instruction is ‘manage-bde’. happy encrypting..