You can install these two things from their web sites, but I find Chocolatey to be much nicer. I have a list of some of my tools I've installed with Chocolatey here. To get started with ripping DVDs, you need handbrake and anydvd. Handbrake drives the process; anydvd works behind the scenes to decode the DVD so handbrake can read it. Handbrake is free; AnyDVD is free for 21 days then you need a license.