Thank you for viewing. This is software from Cycling'74 for Macintosh. I've had it sitting on a bookshelf since I bought it. It's been stored at home. No pets, no smokers. For those who love old Macs, or those in research, how about it? Max 3.6.2 MSP 1.7.2 Pluggo 2.1 The "unregistered" notation means that it has not been installed or user-registered. It is not unopened. (I have taken it out of the box to test the CD-ROM reading.) I do not have an environment to test the installation. I have confirmed that the CD-ROM disc can be recognized for its disk capacity on a Windows machine. The floppy disks are not guaranteed as I cannot confirm them due to lack of an environment. Also, authorization is not guaranteed. Recommended for advanced users who can handle it themselves. ＜Operating Environment＞ ・Power Macintosh computer equipped with PowerPC (or a compatible Mac OS compatible machine) Recommended models are those equipped with PowerPC 604, G3, or G4, with a clock speed of 150MHz or higher. ・System (Mac OS) 7.5.3 or later ・64MB or more of memory ・135MB or more of free hard disk space The box and paper materials have some wear and tear commensurate with their age. Please check the images. Thank you for your consideration.