To operate the DTV-1000, your computer needs a Pentium 4 compatible processor 1.2GHz or higher, 256MB RAM, VGA card with minimum 32MB memory, AC97 compatible sound card, 1GB free HD space, CD-ROM drive, USB2.0 port, Microsoft DirectX 9 or above, and Windows 2000 (SP4), Windows XP (SP2/SP3), or Vista (32/64bit).