How to Enable BitLocker on Windows 10 Operating System Drive When TPM is not available, you have to use group policy to enable additional authentication at startup. Before getting started, you need to find out if your computer has a TPM chip installed. Note: BitLocker is only available in the Pro, Enterprise and Education editions of Windows 10. In this tutorial we’ll walk you through the steps to turn on BitLocker drive encryption on Windows 10 OS drive. In order to prevent most offline physical attacks and firmware-level malware, you can encrypt the operating system drive with BitLocker. BitLocker offers the easiest and most secure way to encrypt your partition or hard drive in Windows.
