Alignment from the series Help tools is available for AutoCAD Civil 3D starting from the version 2015.
Earlier versions are explicitly not supported. Specific hardware requirements are not necessary.
Alignment runs, as well as all Help tools, as an add-on solution within AutoCAD Civil 3D.
For multiple installations of different versions of Civil 3D, Alignment will automatically be available in all supported Civil 3D versions. Currently, two language versions English and German are available.