Abstract: A voice control method and a computer program product, in particular for controlling a personal computer, a smartphone, an onboard computer of a vehicle, or other devices, wherein it is determined whether a control request can be determined from spoken language that is recorded by means of a recording apparatus and processed by a voice detection apparatus, wherein a voice control apparatus is operated by software, which can be changed by at least one piece of expansion software, which is provided for downloading from a server. The voice control apparatus includes an apparatus for changing the software, which, provided that it has been established that the voice control apparatus is not set up to determine and process the control request, checks if the voice control apparatus can be set up to determine and to process the control request by means of the at least one piece of expansion software.