Ans1. The system configuration required to install the QB Refresher Tool is as follows:   1. Operating System: Windows 7 or higher and Mac OS X 10.13 or higher. 2. Processor: Intel or AMD processor with a minimum of 1GHz and a 64-bit architecture. 3. Memory: 4GB of RAM. 4. Hard disk: At least 1GB of free disk space. 5. Network: Internet access is needed for downloading and installing the software, as well as for product updates. 6. Monitor: 1024x768 resolution or higher. 7. QuickBooks: The latest version of QuickBooks Desktop Pro/Premier or Enterprise. 8. Microsoft Excel: Microsoft Excel 2007 or higher. 9. Web Browser: Latest versions of Chrome, Firefox, Edge, or Safari.