• Windows version – 486 or better, Windows 3.1 or higher, 4Mb RAM, 3Mb free hard disk space.
• Macintosh version – OSX 10.3 (Panther) or higher and 4Mb free hard disk space. InStat 3 Mac is a native OS X (carbon) application. InStat Mac will not run under OSX 10.7 (Lion) or higher.

InStat 3.0 is available both for Macintosh and Windows. The two versions are very similar. You can open files created on one platform on the other platform with no special conversion. The program has almost identical interfaces on the two platforms, so you can switch back and forth with virtually no learning curve.