CD-ROMs are strictly non-returnable. There is no updated version for Active Primary Mathematics CD-ROMs.
System Requirements for Active Primary Mathematics CD-ROMs:
Does NOT run on Windows XP 64-bit, Windows Vista 64-bit, Windows 7 64-bit or any Windows
64-bit operating system.
Does not run on Macintosh.
There is no updated version for these CD-ROMs.
Minimum 486DX @100Mhz, 16MB RAM, 2x CD-ROM, Microsoft Windows 3.1,
Windows 95/98 (Pentium Preferred),
Windows 2000, ME, NT4.0, XP (32-bit only) or Vista (32-bit only) with all
current updates.
Windows compatible sound card.
Super VGA display card with 256 color support.
Program is not installed on the hard drive; CD-ROM is required to run the program.