- Go to Control Panel
- Choose System and Security
- Click the BitLocker Drive Encryption (In Windows 8, you can search BitLocker.)
- In the BitLocker menu, turn on BitLocker next to the drive(s) you wish to encrypt.
- Remember to keep your recovery key and password safe.
Note: This is for Windows Vista or later. With earlier versions of Windows, BitLocker was not a built-in option. Don’t worry! You can still use BitLocker by downloading the software first.