The details:

Classroom Maestro for Macintosh OS X:

• a 500 MHz (or faster) Macintosh G3, G4, G5 or Intel computer running OS X 10.3 (Panther) or later
• 128 MB of RAM (256 MB or greater preferred)
• a computer monitor:
  • with 1024 x 768 or greater resolution
  • displaying thousands of colors or more
• optional USB or Firewire MIDI interface (or MIDI keyboard with direct USB connection) and any necessary MIDI drivers
• optional MIDI keyboard
• at least one MIDI cable (if using a USB or Firewire MIDI interface)
• optional foot pedals for MIDI keyboard:
  • una corda (controller 67)
  • sostenuto (controller 66)
  • sustain (controller 64)

NOTE: The number and range of notes that can be displayed on the grand staff may be limited by the resolution of the monitor and the size of the Classroom Maestro window.

• Although the program may run at lower resolutions, in order to see each of the 88 notes of the piano keyboard displayed vertically on the grand staff, it is necessary to display a full-size window on a 1024 x 768 or larger screen.
  
  
• The horizontal display of scales is limited on a monitor with a low resolution. A screen resolution of 1024 x 768 or larger is preferred.

Classroom Maestro for Windows Vista and XP:

• an 800 MHz (or faster) Windows computer running Windows Vista or XP
• 128 MB of RAM (256 MB or greater preferred)
• a computer monitor:
  • with 1024 x 768 or greater resolution
  • displaying at least thousands of colors (16-bit color)
• optional USB or Firewire MIDI interface (or MIDI keyboard with direct USB connection) and any necessary MIDI drivers
• optional MIDI keyboard
• at least one MIDI cable (if using a USB or Firewire MIDI interface)
• optional foot pedals for MIDI keyboard:
  • una corda (controller 67)
  • sostenuto (controller 66)
  • sustain (controller 64)

NOTE: The number and range of notes that can be displayed on the grand staff may be limited by the resolution of the monitor and the size of the Classroom Maestro window.

• Although the program may run at lower resolutions, in order to see each of the 88 notes of the piano keyboard displayed vertically on the grand staff, it is necessary to display a full-size window on a 1024 x 768 or larger screen.
  
  
• The horizontal display of scales is limited on a monitor with a low resolution. A screen resolution of 1024 x 768 or larger is preferred.

If you have any questions about whether or not your system meets these requirements, please send an email to info@timewarptech.com.

And thanks for your interest in Classroom Maestro!