docs: def _InstallInstallers(self):
      """Install the installer built by RepackTemplates."""
      # 32 bit binary will refuse to install on a 64bit system so we only install
      # the 64 bit version
      installer_amd64 = glob.glob(
          os.path.join(args.output_dir, "dbg_*_amd64.exe")).pop()
      self._CleanupInstall()
      # The exit code is always 0, test to see if install was actually successful.
      subprocess.check_call([installer_amd64])
      self._CheckInstallSuccess()