First 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 Start 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