Can't sign into the App Store

Thanks for getting back to us here in Communities, arjuna240.

Do you have any other Apple devices you use your Apple ID with?

Open Safari and try logging in with your Apple ID here: Manage your Apple ID

If you're able to log in here, go to your billing and payment information. Make sure you have a valid payment or None as your selection: Change, add, or remove Apple ID payment methods

You may also need to accept Terms & Conditions for your Apple ID if you haven't done so already.

Cheers!

Hello, arjuna240.

Thank you for using Apple Support Communities.

What happens when you try to sign in? Are you getting any specific error messages?

Also, check out these articles:

Sign in with your Apple ID

If you can't connect to the App Store, iTunes Store, or other Apple services

Best regards.