def METHOD_NAME(self):
    """Download and install WiX."""
    wix_zip_path = self.tools.download.file(
        url=WIX_DOWNLOAD_URL,
        download_path=self.tools.base_path,
        role="WiX",
    )
    try:
        with self.tools.input.wait_bar("Installing WiX..."):
            self.tools.shutil.unpack_archive(
                os.fsdecode(wix_zip_path),
                extract_dir=os.fsdecode(self.wix_home),
            )
    except (shutil.ReadError, EOFError) as e:
        raise BriefcaseCommandError(
            f"""\