How to Turn on BitLocker Without TPM on Windows 10

What Is BitLocker and TPM?

BitLocker is a new security feature integrated in Windows Server 2008, Windows Vista, and later versions. It will encrypt the Windows installation partition or other partitions used to save files, and then save the key outside the hard drive. Through this way, it can make sure your computer is not tampered with even if it is unattended, lost, or stolen, reducing the risk of data loss.

As for TPM (Trusted Platform Module), it is a microchip mounted on the motherboard responsible for keeping keys. With TPM enabled, BitLocker will become safer and more convenient. With TPM, you don’t have to enter the unlock password and TPM will ensure that no one will use WinPE to peek into the files on the hard drive.

What if there is no TPM on my computer? Can I enable BitLocker without TPM? Of course you can. Please read the following content to know how to turn on or off BitLocker to encrypt or decrypt operating system drives without a TPM in Windows 10.

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Allow BitLocker Without a Compatible TPM

If you don’t have a TPM chip on your PC or just don’t want to use it, you can store the startup key on a USB flash drive or use a password to encrypt and decrypt drives. To do that, you need to first allow BitLocker without a compatible TPM. Here are the steps.

Step 1: Press “Windows + R” keys and type “gpedit.msc” into the Run box. Then, click the OK button or hit the Enter key to open the Local Group Policy Editor.

Step 2: Navigate to Computer Configuration > Administrative Templates > Windows Components > BitLocker Drive Encryption > Operating System Drives.

Step 3: Highlight Operating System Drives and then double-click Require additional authentication at startup policy on the right pane.

Step 4: Select Enabled at the top and check the Allow BitLocker without a compatible TPM (requires a password or a startup key on a USB flash drive) box under Options. Then, click the Apply and the OK button to save changes.

How to Turn on BitLocker Without TPM

You can turn on BitLocker in Control Panel, File Explorer, or MiniTool Partition Wizard. Here is how to do that in MiniTool Partition Wizard.

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#1. How to Turn on BitLocker Without TPM

Step 1: Launch MiniTool Partition Wizard. Right-click the C drive and choose BitLocker Manager.

Step 2: In the pop-up window, click the Turn on BitLocker button.

Step 3: The BitLocker Drive Encryption window will pop up. You need to choose how to unlock your drive at startup. Then, insert a USB drive or set up a password.

Step 4: Select a method to back up your recovery key.

Step 5: Choose how much of your drive to encrypt.

Step 6: Choose an encryption mode.

Step 7: Click Continue if you are ready to encrypt the drive. Then, you need to restart the PC to encrypt the C drive.

#2. How to Turn off BitLocker

To turn off the BitLocker in MiniTool Partition Wizard, you just need to right-click the encrypted drive, select BitLocker Manager, and then click Turn Off.

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