ArtiosCAD installer will not run successfully because the required permission level is not set (Elevated) when the installer is started.
Installer will produce a "740" error and not complete.
Right click on the ArtiosCAD setup.exe and run the installer as an administrator.
See the following article for more information regarding SQL 2012 Express installation on Windows 8.1:
ArtiosCAD
Note: This is an anonymous survey. If you need help from Esko Support, register a Support Case here.