Unable to download apps from the App Store says "Contact iTunes for help"

To contact iTunes Support, do this: 

1. Click on this link --> Choose your country or region - Official Apple Support  

2. Select your country

3. Select: Billing & Subscriptions

4. Select: Subscriptions & Purchases

5. Select: Update payment method

6. Select a chat session or a phone call.

Copied from iTunes support - Apple Community

Can’t download on app store

By posting here, you are not "contacting iTunes Support." Follow the directions in my previous post.