password protect USB without any software in windows

( Insert your USB drive to computer -Click on Start -In "Search programs and files" box, type Bitlocker Drive Encryption Now launch that application. -Then look for your USB drive and click on Turn on Bitlocker -Windows will ask you to set a password. Now set a strong password. Click on Next -If you want save the password in a safe place. And click on Next -Now click on Star Encrypting -That's all ) From right now if someone tries to access your USB, Windows will ask him/her to enter the current password. Note : This trick will works only in Windows