The program is licensed for each PC. You may purchase as many licenses as the number of the computers in which you want to have the program installed. The license is exclusive and non-transferable, it is applicable to only one computer. If the software detects any major alteration in your PC, like main parts that were changed ( board - mainframe) it will request another license. Computer Requirements* ¨ Multimedia PC 586, Pentium or higher ¨ Windows 95 or higher ¨ Monitor 64k - colors (high color, 16 bits) or higher ¨ Microphone Optional (it is required only for scoring) * - The majority of the current computers are superior to the minimum requirements to run Microke.