Real Player - Minimum System Requirements Operating System Windows 98SE, Windows ME, Windows NT 4.0 with Service Pack 6 or later(playback only), Windows 2000 with Service Pack 2 Processor 350 MHz Intel Pentium II processor or equivalent RAM 64MB 128MB on Windows XP or later) Modem 28.8 kilobits per second (Kbps) Sound Card 16-bit sound card