PreForm is the 3D printing software that prepares your models for printing on Formlabs 3D printers in just a few minutes.
Publisher’s description
What is PreForm?
PreForm is a free 3d & cad program for Windows from Formlabs.
Installation and requirements
Official installers exist for 64-bit as EXE (WiX Burn). The main installer is 334.2 MB. Installation asks for administrator rights. The installer supports unattended (silent) installation.
Updates and version history
The current version is 3.64.2.665, released on October 23, 2026. 57 versions are listed since March 15, 2024, each with links to its own installer files. That is about 22 releases a year. The last update is less than a month old.
Popularity and file types
On Windows it registers 3 file types, including .stl, .obj and .form. Similar programs include PrusaSlicer, Ultimaker Cura and MeshLab.
Pros / Cons
Pros
- Free to use
- Documented silent install
- Frequent updates (about 22 a year)
Cons
- No native ARM64 build
- Installation needs administrator rights
- Large download (334.2 MB)
In short: PreForm is a free 3d & cad tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is PreForm safe to download?
- The file is served by downloads.formlabs.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
80062180C4FC5AF850F1DCAFF02CC02B44C7BBB11FA706079CDACCAFF13ABA00· Open the VirusTotal report for this hash - The link answered when we last checked it (October 26, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 57 versions ›57 versions over 3 years · about 22 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.64.2.665Latest | October 23, 2026 | 334.2 MB | 64-bit EXE (WiX Burn) |
| 3.64.1.664 | October 15, 2026 | 334.1 MB | 64-bit EXE (WiX Burn) |
| 3.64.0.663 | October 14, 2026 | — | 64-bit EXE (WiX Burn) |
| 3.63.1.652 | September 25, 2026 | — | 64-bit EXE (WiX Burn) |
| 3.63.0.651 | September 16, 2026 | — | 64-bit EXE (WiX Burn) |
| 3.62.1.648 | August 19, 2026 | — | 64-bit EXE (WiX Burn) |
| 3.62.0.646 | August 11, 2026 | — | 64-bit EXE (WiX Burn) |
| 3.60.4.642 | July 30, 2026 | — | 64-bit EXE (WiX Burn) |
Install from the command line
Silent install ›winget install --id Formlabs.PreForm -ePreForm_win_3.64.2_release_releaser_665_137153.exe /quiet /norestartmsiexec /x {894EB666-DB85-4994-BCD8-B24ADA3EE36D} /qn /norestartRelated guide: How to use winget: install and update apps
Also for other systems
brew install --cask preformInformation
- Publisher
- Formlabs
- Category
- 3D & CAD
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (WiX Burn)
- Version
- 3.64.2.665
- Released
- October 23, 2026
- Added to the catalogue
- March 15, 2024
- Versions listed
- 57
- Updates / year
- 21.9
- Website
- formlabs.com
- winget ID
- Formlabs.PreForm
- MSI product code
- {894eb666-db85-4994-bcd8-b24ada3ee36d}
File types it opens (3)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is PreForm free?
Yes. PreForm is free to use.
Is PreForm safe to download?
The download comes from downloads.formlabs.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install PreForm with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can PreForm be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does PreForm run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of PreForm?
The versions page lists all 57 versions with links to their official installer files, back to March 15, 2024.
What are alternatives to PreForm?
PrusaSlicer, Ultimaker Cura, MeshLab, OpenToonz and UVtools. The alternatives page compares them.
