License: Shareware $19.95. Total downloads: 498. Operating system: Windows XP/Vista/7/8/10/11. Latest version: 3.3. Download now from developer's website. Screenshot. There was a download of MP3 to WAV Converter 3.3 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. No. Once the data is jettisoned to encode to MP3, it's gone forever – you cannot recover it under any circumstances. So if you want to upgrade your MP3s, you need to re-rip or re-purchase the music from a lossless source. Indeed. BTW there is another reason why is doesn't make sense to convert to any lossless format. Mostly being stuck with a Windows 7 machine, hence the usage of PowerShell, but I keep forgetting the quirks of its syntax. Without further ado, the script to convert all m4a files to mp3 format. To make wav from Windows 10 voice recorder, first record sound then right click file and choose open file location then rename giving it a wav extension. You should get (if you change a file name extension, the file might become unusable. Are you sure you want to change it? Click Yes. It's now a wav file. cuzou.