Hello, you can download and install the Quickbooks file doctor by following the steps below. 1. To begin, close any QuickBooks-related programs that are running in the background. 2. Then you must obtain the Quickbooks File Doctor. 3. The downloading process will start. 4. Following a successful download, you will have a downloaded.exe file in your system. 5. When you open the.exe file, the installation setup window will appear. 6. Your installation will begin once you click Yes. 7. To finish the installation, follow the on-screen instructions and accept the terms and conditions. 8. Finally, press the Finish button. QuickBooks file doctor