I really need to convert WMA. file to MP3. How do I do that offline on Windows 7?

Hi, convert WMA file to MP3 file, that's easy, you just need to use a right software to help you, I'm using a free software RZ MP3 Converter to do that fine, it's free, and it can convert any video files and audio files to MP3 files, such as convert WMA file to MP3 file,etc,you can search and download RZ NP3 Converter through yahoo or google, work well on windows7, hope it can help you.