Thanks for choosing QuickBooks in managing your business, rentschler.
If you're using QuickBooks Self- Employed (QBSE), just go to this link to access your account in your new notebook: https://selfemployed.intuit.com/login. Then, enter your login credentials using your Intuit account.
You can also download the QBSE app on your mobile device. Visit this link to download the app: https://apps.apple.com/us/app/quickbooks-self-employed/id898076976.
All you need to know about QBSE can be found in this article: QuickBooks Self-Employed Overview.
If you're using the Desktop version, let's make sure we meet the system requirements before installing it in your notebook. Once done, follow the steps in the Install QuickBooks Desktop article and enter your Product and License number.
To learn more about getting started with QuickBooks, refer to this link: https://quickbooks.intuit.com/learn-support/en-us/get-started/07?product=QuickBooks%20Desktop.
I'm just one post away if you need a hand with managing your account or any QuickBooks related. Have a great day ahead.