How to record audio on Audacity either from a microphone or to capture the sounds of another program

To record on Audacity, you simply need to set up your microphone, add a track, and press the "Record" button ...

How to use autotune on audio files in Audacity through a free plug-in

You can enable autotune in Audacity by installing the GSnap plug-in, which works with Windows, Mac, and Linux computers.