Why i can't import this footprint into kicad7

Hello there,

Thanks for flagging this! We were able to import this footprint successfully into Kicad 7. Could you please try to follow our guide and let us know if you can import the file?

https://support.snapmagic.com/en/articles/5995733-how-to-import-into-kicad-v6-and-later

If not, please let us know so we can assist you further.

Regards,
Ron

you're supposed to select a encompassing folder, not the specific file.