In Chart of Accounts, choose Import its chart of accounts and pick the CSV file exported from your old program. Each account is shown with the type it will have, so you can check them before they are added. Accounts you already have are left as they are.
On the opening balances page, import the trial balance from the day before your books start, and the amounts are filled in for you to check and save. The opening balances page now lists every asset, liability and equity account, such as Equipment and Loans, not only bank accounts and the usual few.