Warcraft 2: Tides of Darkness

Windows 98/95/NT 4.0
Pentium 60 or equivalent
16 MB RAM
80MB Hard Drive space
2x CD-ROM drive for gameplay
4x CD-ROM drive for Cinematic
Local bus SVGA video card (Direct X-Compatible)
Microsoft-compatible Mouse
DirectX-compatible sound card for Audio

Warcraft 2: Beyond the Dark Portal

Windows 98/95/NT 4.0
Pentium 60 or equivalent
16 MB RAM
80MB Hard Drive space
2x CD-ROM drive for gameplay
4x CD-ROM drive for Cinematic
Local bus SVGA video card (Direct X-Compatible)
Microsoft-compatible Mouse
DirectX-compatible sound card for Audio

Warcraft 2 Battle.net Edition - GOG.com

Windows 7 / 8.1 / 10
1 gigahertz (GHz) or faster
2 GB RAM
DirectX 9 graphics device with WDDM 1.0 or higher driver
DirectX 9
1 GB available hard disk space
Users running older versions of Windows 10 Redstone may experience a crash on launch when running the game’s executable. Patching your operating system to the newest version (Redstone 5) should correct this issue.

see also