Hey you, squatch hunting is serious business, do you have a license to be here? Ensure you are using a web3 capible browser, and then hit the "REGISTER" button.
Something like Metamask on Chrome, or Brave should work.
If you're having trouble switching to Polygon, visit a site like https://anyswap.exchange/#/bridge which will automatically fill in all the information you need.
NB: THE SITE ISN'T BROKEN, I'M JUST BAD AT MAKING PRETTY WEBSITES
If something seems broken, ping @deanpierce on twitter, or px on signal/discord