If Audacity is telling you that you need the LAME Mp3 encoder installed, follow these steps:

1. right-click on this link and choose save target as

2. save the lame_enc.dll file to your "My Documents" folder

3. When Audacity asks you if you want to locate the file, click YES and browse in your My Documents folder and select the file named lame_enc.dll.

Click OPEN and then OK. That's it.