BitLocker is officially only available for Windows 10/11 Pro. However, the tool is actually also included in the Home versions, just hidden.

This post explains why BitLocker might be missing or not showing in Control Panel on your Windows 11/10 and the steps you can take to resolve the issue.

Microsoft is working to fix a known issue causing 0x80070643 errors when installing the KB5034441 security update that patches the CVE-2024-20666 BitLocker vulnerability.