For Mac OS® systems, a video card consisting of an ATI Technologies or nVidia chipset with at least 32 MB of memory is required. Video: 64MB 3D video card (TNT, i810, Voodoo 3, Rage 128 equivalent or better) with DirectX 8.1 support. Drives: A hard drive with at least 1 GB of free space (in addition to your Warcraft III: ROC installation), and a 4x speed CD-ROM drive are required for installation and play. Controls: A keyboard and mouse are required. Virtual Memory should be enabled on computers running pre-Mac OS X versions of the Mac OS®. Memory: Warcraft III requires 128 MB of RAM. Warcraft III requires Mac OS® 9.0 or higher, or Mac OS X® 10.3.9 or higher. Operating Sysytem Windows 98, Windows ME, Windows 2000, or Windows XP. Computer: 600 MHz Pentium III or equivalent, or a 600 MHz G3 processor or better.