Regardless of whether you have the original figure or a functional NFC alternative, the process is simple: Hold the on the D-pad.
The search for "bin files" usually stems from players wanting the benefits of these rare figures without paying the high aftermarket prices for the physical plastic. Since many of the Odyssey-specific amiibo had limited production runs, they often fetch a premium on the secondary market.
Enjoy your invincibility, extra health, or coin-tracking perks!