Moving domain to Shopify, but still need access to Magento store

I am moving my domain to a Shopify store. But I still need access to the Magento Backend to see orders and so on.

How do i do that I Magento?

Have tried to just move It to Shopify, but then the: www.domian/admin path don’t work.

Help!

Magento ver. 2.3.2