Audio recording is simple in Windows 10. All you need is a microphone and software to capture the input. You don’t have to spend money on a sound recording program, however. Good paid programs exist, ...

To export Audacity files as MP3s, you just need to use the "Export" option in the program's "File" menu. Older versions of Audacity can't export MP3s natively, and you'll need to install an add-on ...