Welcome to Audacity Audacity® is free, open source, cross-platform audio software for multi-track recording and editing. Audacity is available for Windows®, Mac®, GNU/Linux® and other operating systems. Check our feature list, Wiki and Forum. Download Audacity 2.1.3 Mar 17th, 2017: Audacity. Jun 27, 2020 Launch Audacity. Click 'Edit' and select 'Preferences.' Click 'Effects,' then check the box next to 'Rescan VST effects next time Audacity is started.' Audacity now scans for new plug-ins when you start it. Click 'OK' and close Audacity. Re-launch Audacity. The program scans the plug-ins directory for the newly installed GSnap plug-in.

1) Gsnap. After lots and lots of testing, my personal favorite free pitch correction plugin is Gsnap. You can download two versions here:

http://www.gvst.co.uk/gsnap.htm(Newest Version)
https://www.dropbox.com/sh/gza2ayr4ylfuqe3/AADelAd4TdoDFr8UXQff-nUna?dl=0 (Older version)

2) Kerovee. AutotuneMy 2nd favorite free pitch correction plugin is called Kerovee. Kerovee can give your voice an awesome T-pain sound if you want. It can be downloaded at the following link:
http://www.g200kg.com/en/software/kerovee.html
3) PluginAutotalent version 2. My 3rd favorite free pitch correction plugin is called Autotalent (version 2). Autotalent is extremely simple, yet surprisingly effective. Here's the link!
Audacityhttp://www.olilarkin.co.uk/downloads/oldplugins/autotalent/

Audacity Autotune Plugin For Windows

Click here to read my other post about how to add VST effects (.dll files) into Audacity