Step 1: Ripping the Dvd
First install the programs. Then open dvd decrypter and insert your dvd. then click edit and click on the thing that says select main movie files then select the directory you want to save it in. then click the big picture of the dvd. this will take a while.
Step 2: Converting the File
Now open up Handbrake and click source then click dvd/video_ts file now select the folder you extracted the dvd to and then choose to save it in my videos as a mp4 file.