ID3-Sync requires an installed .NET Framework 1.1 (or higher) to run!
This software is provided "as-is", without any expressed or implied warranty. In no event shall the author be held liable for any damages arising from the use of the software.
To install the installer version just double-click on the downloaded .msi file. The zip version needs to be extracted in a folder of your choice and is then ready to run. If you want to uninstall the zip version, the options dialog contains a button to clear the registry from any settings stored by ID3-Sync.