How to encrypt a Windows PC with device encryption or BitLocker Make sure you’re signed into the computer’s admin account Open the start menu, then click the Settings icon.

On Windows 11, you can use these instructions to install missing drivers through Windows Update and the steps to install them manually.

While some of these features are possible on devices without a TPM, they’re more secure if you have one. Requiring the TPM on all Windows 11 devices lets Microsoft set a security floor.