2.Open the Downloaded and when you see the Installation window,just click "Accept".
3.Now a new window will open showing the available Removable Drives in your Computer.Select the Removable Drive that you want to Protect and Click "Install".
4.Now Set a strong Password for your USB Drive and click "Protect".
That's it freinds you had successfully Protected your USB with a Password.A window will appear stating that your USB Drive is Protected Successfully.
How to Unlock the Password Protected USB Drive? :-When you Password Protect your USB Drive with USB Security,it copies a file named "usbsecurity.exe" to your USB Drive.
1.Open "usbsecurity.exe" file from your USB drive and type your password.
2.Then click "Open in virtual drive" and its gets unlocked for one time use.(by creating a virtual disk)