You can perform QB clean install tool by removing and then installing QuickBooks Desktop again.
step 1: Remove QuickBooks, open the Windows Start menu, then search for "Control Panel," then open Control Panel.
Step 2: Install the QuickBooks Desktop again, and when you're done, install QuickBooks Desktop.
If you need step-by-step guidance to install QuickBooks, then our technical team can help you; just dial us at +18557380359