code: def GetGRRVersionString(self):
      
      client_info = self.startup_info.client_info
      client_name = client_info.client_description or client_info.client_name
      if client_info.client_version > 0:
        client_version = str(client_info.client_version)
      else:
        client_version = _UNKNOWN_GRR_VERSION
      return " ".join([client_name, client_version])
docs: Returns the client installation-name and GRR version as a string.