System Requirements for ConceptDraw OFFICE, DIAGRAM, MINDMAP und PROJECT All ConceptDraw Software have the following system requirements: macOS Operating System: macOS® 11 (Big Sur) and 12 (Monterey) CPU: Intel RAM: min. 4 GB HDD: min. 1.5 GB disk space Note:Note: ConceptDraw OFFICE 9 suite includes PROJECT 13 which uses Python 2 in its workflows. Being running on Mac it faced an issue since the latest macOS Monterey 12.3 release brought the Python 2 removement from the pre-installed scripting languages. Step-by-step guide to restore Python 2.7.16 on computers running Monterey 12.3, or later. Windows Operating System: Microsoft Windows® 8.1/10 (64 bit certified) CPU: Intel or AMD; 1.8 GHz or higher RAM: min. 4 GB HDD: min. 1.5 GB disk space