DVDFab offers a "Free" version with limited functionality (DVDFab HD Decrypter).
(In later versions) Up-scaling low-resolution video to 1080p or 4K. 3. The "Crack" and Activation Key Phenomenon DVDFab-10-Crack---Activation-Key-Full-Version-Download
Using unauthorized activation keys violates the End User License Agreement (EULA). Furthermore, while "fair use" for personal backups is a debated legal topic in some regions, bypassing Digital Rights Management (DRM) using pirated tools is illegal under acts like the DMCA in the United States. DVDFab offers a "Free" version with limited functionality