1. Open Autodesk Revit.
2. Click on the UnoTools tab in the Revit ribbon panel.
3. Click on the Detect Clashes button.
4. Click on Window Selection or Active Document based on your requirement.
5. After selection, click on Proceed.
6. Select elements or click on Select All to select all elements, and click on Proceed.
7. In the "View Clashes" Section, click on the clash name to isolate and view the Clash for Your Reference.
8. Select the clashes you want to ignore and click on Add. Selected clashes will be moved to Valid Clashes.
9. Similarly, select clashes and click on Remove to move valid clashes to the "View Clashes" section.
10. Click on the Export button to export the clashes (except valid Clashes) data to HTML or CSV Format.
11. Follow the instructions provided in the UI to proceed.

For further assistance:

1. Refer to the Help Documentation (Hover over the UI page and press F1, or click on the Help button).
2. Watch the Execution Video for a step-by-step guide.

Run the installer of this app/plug-in that you downloaded from the Autodesk App Store. OR, simply double-click the downloaded installer to install the app/plugin. Make sure that the Autodesk product is completely closed when running the installer.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 10/11) and uninstall as you would any other application from your system.