Here are some additional tips and best practices to keep in mind when using the Microsoft Visual Studio 2012 Pre-Clean Tool:
You don’t need a separate "pre-clean tool download." You need the final update package: microsoft visual studio 2012 pre clean tool download upd
If you are still working with Visual Studio 2012: Here are some additional tips and best practices
: Clears residual data, including temporary files, caches, and settings from prior builds, to restore the machine to a "known-good state" for further testing. including temporary files
Navigate to the GitHub releases page for the Visual Studio Uninstaller. Extract: Unzip the TotalUninstaller.zip folder.