If you have an earlier version of ArcView (3.x)
You are not required to uninstall ArcView 3.x to install and run ArcGIS Desktop 10. ArcGIS Desktop 10 defaults to a different folder and will not conflict with ArcView 3.x in any way.
8/25/2010
You are not required to uninstall ArcView 3.x to install and run ArcGIS Desktop 10. ArcGIS Desktop 10 defaults to a different folder and will not conflict with ArcView 3.x in any way.