Hi there @Shazzelart63!
Don here from Shopify.
If you would like to offer your customers the ability to pay using direct debit or bank transfer you would need to set that option up as a manual payment method.
Using this option in the settings > payments menu in your admin will allow you to leave instructions at your checkout for customers to follow in order to pay you or set up a payment.
You can then manually mark these orders as paid when you are happy that the customer has done so.
Are you looking to offer this payment method in addition to having a credit card gateway or PayPal option?