I can’t setup apple cash

Hi kiengleng,

Welcome to the Apple Community.

Apple support have articles online to guide you.

Apple Cash

https://support.apple.com/apple-cash

How to use Apple Pay:

https://support.apple.com/en-us/HT201239

Set up Apple Pay:

https://support.apple.com/en-us/HT204506

About Apple Pay:

https://support.apple.com/en-au/HT201469

Manage the cards you use with Apple Pay:

https://support.apple.com/en-us/HT205583

Change Wallet & Apple Pay preferences on Mac:

https://support.apple.com/en-au/guide/mac-help/mchl16329b92/mac

Apple Pay Support:

Get support with Apple Pay:

https://support.apple.com/apple-pay

Apple Pay How to Videos

https://www.apple.com/apple-card/how-to/#film-get-support

More info, if needed: Scroll a list of articles:

https://discussions.apple.com/docs/DOC-250004026

Hope this helps you :)

PS:

To protect your account, you might be asked to verify your identity when using Apple Cash or applying for Apple Card.

Identity verification for Apple Card or Apple Cash:

https://support.apple.com/en-au/HT207887

:)