: If you have lost your key, you can request it via the MoI Reinstall Page .
: After the beta period ends, v4 owners will need to purchase an upgrade to continue using the final v5 version. Key Features & Updates in V5 Based on recent developer notes and community discussions, includes several major enhancements: SVG Import/Export
If you are deciding whether to download the V5 beta, consider how it stacks up against the competition:
One of the most significant improvements in V5 is the integration of the ACIS kernel for filleting operations. The new ACIS fillet engine in MoI V5 is "much better at processing fillets that need to cross over" challenging edges that previously caused errors.
Designs remain infinitely smooth, no matter how close you zoom in. Moi3d V5 Beta Download
If you are hunting for the V5 Beta, you probably already know V4. So, what justifies the upgrade? According to changelogs from late 2025 and early 2026, here are the headline features:
The V5 Beta builds upon the foundation of V4 while introducing significant under-the-hood improvements and user-facing features. Some of the most notable changes are detailed below.
For those without an existing license, MoI3D is priced at approximately €300. While no hobbyist discount version is available, there is an EDU discount version for students and teachers. As developer Michael Gibson clarified: "You can use your EDU license key for any kind of work, it is not restricted." The EDU version follows the same End User License Agreement as the commercial version, with the only distinction being that EDU licenses "may not be transferred or resold."
: If you cannot find your key, you can request it via the MoI Reinstall Page . : If you have lost your key, you
The Types section of the Scene Browser has also been expanded with additional subtypes, allowing users to target specific geometric elements. Subtypes include: Curves (Open, Closed, Planar, Lines, Polylines, Circles, Arcs, Ellipses, Elliptical arcs), Surfaces (Planar), Edges (Joined, Naked), and Properties (Selected, Unselected, Locked, Unlocked, Visible, New objects).
Input your serial number when prompted. This grants you access to the download repository.
Even after a successful download, you may encounter issues. Here are the top three solutions.
The V5 cycle introduces several significant workflow and technical improvements: The new ACIS fillet engine in MoI V5
: The beta is free to use with your current license, allowing you to test drive the improvements before committing to the eventual upgrade. The enhanced filleting alone may be worth the switch.
Mac users rejoice. MoI3D V5 drops the old OpenGL limitations on macOS and introduces a fully native build for Apple Silicon. This translates to massive performance leaps, lower battery consumption on MacBooks, and buttery-smooth viewport frames even with millions of polygons on screen. 4. Advanced Dimensioning and Annotation Tools
