Download the free Quartus II Web Edition software todayMAX+PLUS® II software is intended only to support legacy designs. MAX+PLUS II software does not support MAX® II CPLDs, Cyclone®, Arria®, or Stratix® series FPGAs, or any newer devices.

Quartus® II software is Altera’s primary development software and supports Altera’s newest device families and most older device families. Download the free Quartus II Web Edition software today.

For MAX+PLUS II legacy software support, refer to the resources below.

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Installation and Licensing

MAX+PLUS II General Information