It looks like you're asking to compile or enhance a feature list for a topic related to "AutoCAD Civil 3D Portable" from Taringa (a Spanish-language social/sharing site).
Toolspace: Explore the Toolspace palette, a powerful feature for creating and managing Civil 3D objects. autocad civil 3d portable taringa better
He double-clicked the executable.
System Requirements
What is Autocad Civil 3D?