But HandBrake doesn’t include the software needed to decrypt commercial DVDs, so you also need to install libdvdcss, an open-source library that can circumvent the Content Scramble System (CSS) used on DVDs. The latest version works on 64-bit Macs running OS X 10.6 or later. To rip a DVD with HandBrake, you need to download the free software. To learn more about dealing with HD discs, read our story about watching and ripping Blu-ray discs on your Mac.) (Note that this guide pertains only to DVDs. Looking to liberate the movies in your DVD collection from the confines of their plastic-and-metal prison so you can enjoy them on your iPhone, iPod, iPad, and Apple TV? Well look no further-all you need to do is get some free software and follow a few steps.