Just like how easy it is to download and install any apps or tools on your computer device, similarly for downloading and for the Installation of QuickBooks, you can use the QuickBooks Install Diagnostic Tool, you also just need to follow a few simple steps and you can have the Diagnostic tool on your computer system. Open any web browser, such as Google Chrome or Firefox, and from there look for the QuickBooks Diagnostic Tool. Download it and set up a file on your computer device. Then, save this file on the screen of your desktop, and you are good to go. You have successfully downloaded and installed the QuickBooks, and the QuickBooks Diagnostic Tool. https://www.getquickbookssupport.com/quickbooks-install-diagnostic-tool/