Quickbooks Tool Hub is free software that you may get from Intuit's official website. After the Quickbooks tool hub download is complete, double-click the QuickBooksToolHub.exe file to run it. Then, to install the Quickbooks Tool hub program, accept the users' agreement and follow the on-screen instructions.  It's a tool designed by Intuit to help you diagnose and fix any QuickBooks Desktop issues or bugs.