Instructions: 1) Stop the application if started 2) Install application using provided installer and do not reboot 3) Open services.msc and stop Kerio Connect service 4) Run Keygen file, see screenshot what to do with keygen, click "Patch" then "Generate" 5) Open services.msc and start Kerio Connect service DONE! You can always thank us here: www.TheWindowsForum.com / www.ThumperDC.com