Because commercial DVDs are protected by Content Scramble System (CSS) encryption, standard drag-and-drop file copying will result in corrupted, unplayable video files. You must use specialized software capable of reading the disc sectors sequentially. Recommended Software Tools

Most modern laptops, desktop PCs, and smart TVs lack built-in disc drives. Converting a physical collection to ISO files allows fans to store their movies on a central Hard Drive, Network-Attached Storage (NAS) system, or media server (like Plex or Kodi) for instant access. 3. Preserving the "DVD Experience"