404 error comes up when I go to wp-admin after first installation [closed]

Two issues seem likely:

  1. Your DNS changes haven’t propagated yet. It takes awhile for the DNS change to spread across the internet. Give it 1-2 hours and try again. [Hostgator recommends pointing your name servers to them.]
  2. If the issue remains, then check how your domain was entered into the quick installer. It’s possible that an extra / is causing the whole thing to fail.

If neither of these is the culprit, then I’d suggest you contact their support team at https://helpchat.hostgator.com

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