Please see this on how to create an apple account
See this on how to create a new apple account
- Open the App Store and tap the My Account button.
- Tap Create New Apple Account. If you don’t see this option, make sure that you’re signed out of iCloud.
- Follow the onscreen steps to provide an email address, create a strong password, and set your country or region. The email address that you provide will be used to sign in to your new Apple Account.*
- Enter your payment method and billing information, then tap Next. You can also choose None. You won’t be charged until you make a purchase.
- Confirm your phone number. This can help to verify your identity and recover your account if needed. Tap Next.
- Check your email for a verification email from Apple and verify your email addres
If this is not working please create your Apple ID on a different place like the web and afterwards sign in with it
How to create a new Apple Account - Apple Support