It is readily available on Mac, no need to install. What is worth to mention is that this free tool also support to record screen video of your computer. Else you can choose 'Maximum Quality' to export to AIFC files with PCM S24 codec. If you want to balance the quality, file size and compatibility, you can choose 'High Quality' which records M4A files with variable bit rate using AAC codec. You can customize the quality settings for the output files too. To start capturing songs, you just need to play them from your computer and click the 'File' > 'New Audio Recording' and choose the red 'Start' button. Older Mac supports the built-in microphone and line-in from the 3.5mm jack while the new Mac only supports microphone. It comes with the Mac computers with 10.6 or later versions. If you are an Apple Fan, this is the best free streaming media recorder for you.