How can I save a audio cd to my PC

U can rip it or convert it using windows media player 10 or 11

You can also use cdex if you want to rip it into mp3
CDex - Reviews and free CDex downloads at Download.com (http://www.download.com/CDex/3000-2140_4-10226370.html)
CDex | Open Source Digital Audio CD Extractor with more than 32,000,000 downloads (http://cdexos.sourceforge.net/)
Or check the other programs here
Rippers & Encoders - Reviews and free downloads at Download.com (http://www.download.com/Rippers-Encoders/3150-2140_4-0.html?tag=dlbc)

Media Player does a pretty good job. Just make sure that uner Option > Rip Music, it's set to MP3 so that you can play the songs in most mp3 players as well.