By downloading the installer from the official Intuit website, you can Install QuickBooks Desktop. Enter your product and license codes, run the setup file, and adhere to the on-screen directions. After selecting an expedited or custom install, activate the program. For a seamless installation and optimum QuickBooks Desktop performance, make sure the system prerequisites are satisfied. Do you need assistance with QuickBooks? Call 1.855.738.2784 to talk to a professional.