If VC12 supersedes the other "Versions" can I uninstall them without detriment?
You can uninstall the older versions of VC10 and VC11 as VC12 supersedes them and will not cause any detriment.
Consumer QuickSet release for Windows x86/x64 on Inspiron/Studio/StudioXPS.
Create professional 2D and 3D CAD drawings in DWG format.
3D XML Player makes it possible to access rich 3D XML information.
If VC12 supersedes the other "Versions" can I uninstall them without detriment?
You can uninstall the older versions of VC10 and VC11 as VC12 supersedes them and will not cause any detriment.