Compare software

WD Security vs BitLocker: catalog facts
WD Security	BitLocker
Free Free download for owners of supported Western Digital drives.	Paid Included with Windows; the full feature set requires the Pro, Enterprise or Education…
Windows, macOS	Windows
Uses the drive's own AES hardware encryption Simple set, change, remove and unlock functions	Built into Windows with nothing extra to install Encrypts entire volumes
Only works with supported Western Digital drives A forgotten password means erasing the drive and losing its data	Windows only Full feature set limited to certain Windows editions
Downloadable app	Operating system
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.