Password protection in USB without any software

Insert your USB drive to
computer
Click on Start
In “Search programs and files”
box, type Bitlocker
Drive Encryption
Now launch that application.
Password Protection to USB Drive
without using Software
Then look for your USB drive and
click on Turn on
Bitlocker
Password Protection to USB Drive
without using
Software
Windows will ask you to set a
password.
Now set a strong password.
Click on Next
Password Protection to USB Drive
without using
Software
If you want save the password in
a safe place.
And click on Next
Password Protection to USB Drive
without using Software
Now click on Star Encrypting
Password Protection to USB Drive
without using
Software
That’s all !!! 
From right now if someone tries
to access your USB,
Windows will ask him/her to
enter the current
password.