This is not an installer, this is the actual audit module. No changes are made to your PC and we don't use Java, Flash or ActiveX.
Chrome: when the download completes, select Open to run the audit. You can delete the file when the audit is complete.
Firefox: save the file and then launch ezfree.exe. You can delete the file when the audit is complete.
IE or Edge: click Run when prompted to save or run.