Mac OS X:
Windows XP SP3 (32-bit)
Windows Vista (32-bit and 64-bit)
Windows 7 (32-bit and 64-bit)
Pentium 4 2.4 GHz or faster (or AMD equivalent)
2 GB of RAM
AC3Filter Full is recommended
Since DualEyes is no longer updated/maintained, if it's running in an operating system outside of these specifications, the program will not be guaranteed to work as it's technically in an unsupported environment.