Before You Begin...
Before you begin the native process, there are some important things you must be aware of.
Requirements
✅ Apple ID & iOS or Mac Device
In order to sign up for an Apple Developer Account, you need an Apple ID with Two Factor Authentication enabled.
In order to setup Two Factor Authentication, you need access to an Apple iOS or Mac device.
✅ Apple ID with Two-Factor Authentication Enabled
Two-Factor Authentication is not the same as Two-Step Verification.
Apple has a help article explaining the difference which you can read here.
✅ D-U-N-S Number
To determine whether your organisation has a D-U-N-S number (issued by Dun & Bradstreet).
A D-U-N-S number is a requirement of Apple during the enrolment process. If you have a D-U-N-S number, you are ready to continue. If you are unsure, you can use this easy look-up tool logging in with an Apple ID. If your organisation does not have a D-U-N-S, you can register for one here - as a note, this can take between 5-10 business days to receive.