Hi there mv66,
it's important that you have the correct software installed in order to be able to manage your company's books. QuickBooks Desktop is a great tool able to help you keep track of transactions to see the financials of your business. I can point you in the right direction for assistance.
In order to know if the current version of QuickBooks Desktop is suitable to fit the needs of your business, as well as the best ways to get it installed on your other computer, I recommend reaching out to the QuickBooks Desktop support team. They'll be able to verify the needs of your company to recommend the best option, as well as provide some information to get the program to the wanted computer. You can reach them using the methods provided in the QuickBooks Desktop software support policies.
If you have any other questions. feel free to reach out here.