Mblock 3.4.12 ((free)) -

: Ensure you have downloaded the installer for mBlock v3.4.12 from the Makeblock archive or Pinoo Robotics .

| Feature | mBlock 3.4.12 (Legacy) | mBlock 5 / Newer Versions | | :--- | :--- | :--- | | | Scratch 2.0 (Offline / Adobe Air) | Scratch 3.0 (Web-tech / Electron) | | Interface | Classic Grey UI, fixed layout | Modern White UI, scalable blocks | | Arduino Support | Excellent direct upload for Uno/Mega | Powerful, but sometimes requires "CyberPi" or extensions | | Internet Req. | Fully offline after installation | Heavily integrated with cloud services (IoT focus) | | Python | Basic integration | Deep integration (Python editor is a core mode) | | Performance | Lightweight on older PCs | Heavier resource usage due to Electron framework | mblock 3.4.12

Because it runs on Adobe Air, mBlock 3.4.12 is one of the last viable graphical programming options for older Windows 7 computers or older MacBooks that cannot run the modern Electron-based mBlock 5 : Ensure you have downloaded the installer for mBlock v3