hello GSM developers team & combinett

I have purchased combinett in august 2020
good tool for schematics
but i could not use this from december 2020 no any messages reply from support
not accepting calls too.
the issue is afterre install windows pc id change and activation key is require so please provide activation key
may be he or she sleeping so long time please awake him and solve this issue
in my knowledge so many users facing this problem
please solve