How I can apply Apple Card?

See the following Apple Support article for information on apply for the Apple Card credit card: How to apply for Apple Card - Apple Support

Also note the eligibility requirements from that support article:

See if you're eligible

• To be eligible to apply for Apple Card, you must be 18 years old or older, depending on where you live.
• You must be a U.S. citizen or a lawful resident with a valid, physical U.S. address that's not a P.O. Box. You can also use a military address.
• Your device must be compatible with Apple Pay. See which devices are compatible with Apple Pay. Make sure that your device has the latest version of iOS, watchOS, or macOS.
• You must sign in on your device with your Apple ID and use two-factor authentication.
• If you have a freeze on your credit report, you need to temporarily lift the freeze to apply for Apple Card. Learn how to lift your credit freeze.
• You might need to verify your identity with a Driver License or State-issued photo ID.5