How can I get a refund for a closed Shopify membership?

Greetings,

I want to reach out because I was charged the Shopify membership. However, I closed the store the same day.

Can someone help me about a refund?

You should consider reaching out to merchant support.
Contact page link: https://help.shopify.com/en/questions#/contact/email

If the link keeps redirecting to the home page, try opening the link in Chrome Incognito mode.