My purchase can not be completed

You may see various forms of a "Your purchase could not be completed" message. Contact Apple Support using the URL indicated. To me it is not clear which path you should follow when you go to the first web page. Try this:

1. Click on this link --> https://support.apple.com/choose-country-region/media-services

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.

i cant complate my purchase ,i cant buy any think why? Please answer

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