If you see This PC doesn't support entering a BitLocker recovery password during startup, enable WinRE, tweak Group Policy, ...

To enable BitLocker encryption in Windows, ... You can now exit the Group Policy editor. To Choose BitLocker Drive Encryption Method and Cipher Strength. Select the radio button for Enabled, ...

Windows Vista Ultimate's new drive encryption feature BitLocker supposedly works with a regular USB drive. But if you pulled your hair out trying to enable it using Microsoft's non-existent ...