Once the bank transactions are in the Banking page (under the For Review section), you'll need to add, match, or transfer them manually. This process will add them to the bank register. You can check out this article on how to manage the bank transactions: Add and Match Downloaded Banking Transactions.
Meanwhile, you can create a rule if you want your bank transactions to be added to your register automatically. Here's how:
This article provides the detailed steps in setting up the rule: How to Set and Use Banking Rules for Downloaded Transactions.
Let me know if you need more help with this. I'll be around.