Well, you can do it almost completely unattended with the Autodesk Uninstall Tool, which should already be installed on your system. Its in the Start Menu under Autodesk...
Just tick the boxes and click Uninstall. It will tick away and let you know how many products have been uninstalled. Nice and easy...
The tool is located at:
C:\Program Files (x86)\Common Files\Autodesk Shared\Uninstall Tool\R1\UninstallTool.exe
For clean uninstall tips, also check out:
- Performing a Clean Uninstall | Installation, Activation & Licensing
- Removing All Autodesk Software from a Windows System