I had an old Mac, worked great. not a 2020 M1 from eBay. loaded it up with everything I could from Native Access. Maschine 2 is still in demo mode. Clicked to activate, opens Native Access, then nothing. the error messages stopped appearing.
Try this:
https://support.native-instruments.com/hc/en-us/articles/4402377887121-My-Products-Are-Showing-As-DEMO-in-Native-Access