Purchasing upgrade from upgraded RC 7 Ultimate to RC8 problem

    Hello,

    please I need help with upgrade my Aerofly.

    I have many years fine working legaly upgraded Aerofly RC7 Ultimate from retail Aerofly 5 with original USB interface.

    I need sell new upgrade to Aerofly RC8. Purchase upgrade from my upgraded RC7 Ultimate not working. Where is problem?

    Do not work my Aerofly 5 key number and my actually activation key for Aerofly RC7 Ultimate do not working too. ;(

    My format in web is: XXXX-XXXX-XXXX-XXXX-XXXX

    I do not find email address for IKARUS support. Web concept not supporting attachment.

    I must write to upgrade web Serial number from Aerofly 5 XXXX-XXXX-XXXX-XXXX-XXXX or Activation Key in format for Aerofly RC7 Ultimate in format XXXX-XXXX-XXXX-XXXX-XXXX ?

    Thank you for your information.

    Petr