Getting around this is a weirdly gray area legally, so applications like Handbrake can’t legally include the software needed to decrypt copy protected DVDs.

Out of the box, Handbrake can rip any DVD that isn’t copy protected…but almost all DVDs you buy in the store are copy protected. The main tool we’ll be using to rip DVDs is called Handbrake, which you can download here. Step Zero: Install Handbrake and libdvdcss So You Can Decrypt DVDs