How to Enable BitLocker Encryption on Computers That Do Not Support the TPM

This guide explains how to enable BitLocker Encryption on Computers That Do Not Support the TPM, with clear steps, practical tips, and important checks before you begin.

Step 1: You press Windows + R key combination to open the Run dialog box, then enter the command gpedit. msc and press Enter

Step 2 : The Local Group Polici Editor window appears, you browse for the following link:

Computer Configuration> Administrative Templates> Windows Components> BitLocker Drive Encryption> Supported operating systems Drives

Then in the right window, double-click the Require additional authentication at startup line

Step 3: In the new window, select Enabled then go to the bottom, select Allow BitLocker without a compatible TPM. Finally, click Apply to save the settings and exit the window.

Now you can try to enable the BitLocker feature on a certain drive partition, such as drive C, to see no error messages anymore:

So with just a few simple steps, we can enable BitLocker encryption on computers that do not support TPM chips, hope you will find the article useful. Good luck.