Visit the official QuickBooks website or use the link provided by Intuit.
Look for the "Downloads & Updates" section.
Find and click on "QuickBooks Tool Hub."
Click the download link and save the setup file to your computer.
Once the download is complete, locate the setup file and double-click to run it.
Follow the on-screen instructions to https://toolhub.download/how-to-install ... -tool-hub/ on your computer.
After installation, open the tool hub, and you can access various diagnostic and troubleshooting tools for QuickBooks.