NAC Wave 2 ,3 and 4 Firmware + Maps

I have an opel combo live that uses the nac system, I managed to update the firmware to version 31-09-46-62, but the mapping there is no way.
You know if there's any instructions to install the maps. It always tells me that there is nothing on the USB or that it is incompatible.
As for signingwarte so that I had to put the license file inside a folder called licence. I read this from the forum.

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If anyone would be so kind as to tell me how to install the maps, I'd be very grateful

angelig Reviewed by angelig on 2nd October 2020. NAC Wave 2 ,3 and 4 Firmware + Maps NAC WAVE 2 Firmware: Firmware Wave 2 (http://ul.to/f/h7bjgb) V21-08-25-12 NAC WAVE 2 Maps: Maps Wave 2 (http://ul.to/f/coq7dz) V18.0 NAC WAVE 3 Firmware: Firmware Wave 3 (http://ul.to/f/9bjqtg) V31-09-46-62 NAC WAVE 3 Maps: Maps Wave 3 (http://ul.to/f/iwh1n4) V12 NAC WAVE 4 Firmware: Firmware Wave 4 (http://ul.to/f/1zwie3) V42-01-72-32 Rating: 5