Latest stable Windows release
Fluxion
Download the latest signed 64-bit Windows installer. Installed copies include automatic update checking and secure SHA-256 verification. Gunnar BioTechnology is a newly verified publisher, so some antivirus software may show an unfamiliar-publisher warning while our signing reputation is established.
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System information
- Windows 11 recommended and supported
- Windows 10 compatibility for existing users
- 64-bit operating system
- Signed Windows installer
- Automatic application updates
Microsoft ended standard Windows 10 support on October 14, 2025. Fluxion may continue to run on compatible Windows 10 systems, but Windows 11 is recommended for an operating system that still receives standard security and compatibility updates.
What's new in 6.4.2
- New Overview tab with live readouts for every modeled tissue
- Muscle, liver, and red-cell status shown side by side
- Shared blood ledger for fuels, hormones, and gases
- System-wide monitoring without changing the active organ view