If you install a new Audacity version after installing a previous one, the installer will offer to install to the same directory as the previous installation.
If the previous installation was Audacity 1.2 or 2.x, the installation directory is normally on 64-bit Windows).
These updates provide bug fixes that can be critical to the stability of your system.
Check the browser preferences if necessary to find out where your downloads are saved.Run: Using Internet Explorer and a few other browsers, you can left-click the "installer" link and select an option to "Run" the file.This launches the Audacity setup as soon as it has downloaded.The data for these are stored in a folder called audacity in the audacity First you will need to quit Audacity.Navigate to that audacity folder with Windows Explorer and delete the entire contents. Navigate to that audacity folder with Windows Explorer and delete the file.