Click Finish to perform the checked actions and close the Intuit QuickBooks Installer. Repeat these steps for each computer. You cannot install QuickBooks on a shared computer and use the program across multiple computers. You must install the software on each computer.lick Finish to perform the checked actions and close the Intuit QuickBooks Installer. Repeat these steps for each computer. You cannot install QuickBooks on a shared computer and use the program across multiple computers. You must install the software on each computer.