• Go to your profile settings
• Tick enable 2FA
• Click Save
• Copy link of the 2FA installation link button
• Extract the secret from the link
  • It is a random set of characters following the secret= bit
  • In the Linux world, this dirty pipe will extract it:

echo "pastedlink" | cut -d'=' -f2 | cut -d '&' -f1

• Set TOTP to custom
• Set algorithm to SHA256
• Try logging in in a Private Window/Session/etc of your browser.