Players will need a copy of the original Cossacks: European Wars in order to upgrade to the add-on package.  Pentium 233 or higher : 32mb of RAM :DirectX compatible 1mb Video card : 100% directsound compatible soundcard : Doublespeed CD-ROM : Windows 95/98/ME/2000 NT 4.0 (sp4) : 400mb free hard drive space