Pentium 4 or AMD Athlon processor (or higher); Microsoft Windows 7 (32-bit or 64-bit), Windows Vista (32-bit or 64-bit), or Windows XP; 500 MB hard-disk space; 512 MB of available RAM; CD-ROM drive (or access to high speed internet);1024 x 768 (or higher) resolution monitor; Internet Explorer 6.0 or later (required for Electronic Case Filing); West does not offer compatibility or support in a Macintosh environment for Chap 7..13.