There is an abundance of free encryption tools, but if you’re running Windows, BitLocker is the only tool most people need, ...
If you cannot enable encryption for removable drives, you can use the Local Group Policy Editor or Registry Editor to get it done. This guide explains how you can enforce BitLocker drive encryption ...
To fix the “Cannot install Windows, BitLocker Drive Encryption is enabled on selected partition” error, suspend BitLocker via Settings or Control Panel, or use your recovery key to unlock the drive.