Unisyn version 2 has the following system requirements:

For Mac OS 9 and earlier:

• PowerPC G3 CPU or faster
• 2 MB RAM or more
• Mac OS version 8.5 to 9.2.2
• CD-ROM drive for installation and authorization

For Mac OS X:

• Unisyn version 2.1 or later is required
• PowerPC G3 CPU 233 MHz or faster, including all PowerPC G4 and G5 CPUs. Not supported on Intel-based Macs.
• 128 MB RAM or more
• Mac OS X version 10.2, 10.3, or 10.4; v10.2.4 or later is recommended. Mac OS X v10.5 or later is not supported
• CD-ROM drive for installation and authorization