Right-click the autocad2015englishwin64bitdlmsfxexe file and select . This ensures the self-extractor has permission to write to the root C:\ directory.
When you run this file, it extracts the installation assets (usually to C:\Autodesk ) before launching the actual setup wizard. Key Features of AutoCAD 2015 autocad2015englishwin64bitdlmsfxexe
Are you trying to with this specific file, or autocad2015englishwin64bitdlmsfxexe
: It introduced a smoother "Line Smoothing" feature that made 2D and 3D geometry look much cleaner on screen. Installation Requirements autocad2015englishwin64bitdlmsfxexe
If you only need to view old drawings, use the free (latest version) which reads all older DWG versions. If you need to edit, consider a current AutoCAD subscription or the free AutoCAD Web App .