How to protect your Drive/Flash USB Drive (Pen Drive) with Password without using any software

Steps:
1. Right click on drive/flash usb drive, which you want to protect
2. Then click on "Turn on BitLocker"
3. select "Use a password to unlock the drive"
4. Enter your password and reenter your password
5. Then click on "Next"
6. Click on "Save to a file" ( Here you can save your recovery key for future )
7. Then click on "Next"
8. Select "Encrypt used disk space only" or "Encrypt entire drive"
9. Then click on "Next"
10. click on "Start encrypting"
11. When Encryption is complete, then restart your PC

*For Windows 7, Windows 8 etc