If you have a need to change the serial number of your Stand-Alone Autodesk Product, follow the steps below.
From any AutoCAD product, enter ABOUT at the command line. From any other product, pick the down pointing arrow next to the “?” icon in the Communication Center located in the upper right portion of the screen. From that menu, pick About… at the bottom to access the About dialog box.
You may need to uninstall your Autodesk product, or, a whole suite of Autodesk products.
To uninstall a single product, you’ll use the Windows Programs and Features tool inside of Windows Control Panel. Find the product you wish to remove, and then pick Uninstall/Change. You can then follow the prompts to uninstall the product.
If you wish to uninstall a suite, you can use the Autodesk Uninstall Tool. Found in your Windows Start Menu under the Autodesk folder, the Uninstall Tool is a quick and easy way to remove multiple Autodesk Products at once.