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A free version of F.lux 4.131 can be found on our website. The size of this file you can download is 670 KB. According to the system requirements, the software supports the following OSs: Windows XP/XP Professional/Vista/7/8/10/11 32-bit.

These filenames are among the most common for this program: flux.exe, Flux_4.0.0.exe and PhotoStream.exe. F.lux Software LLC is the developer of F.lux. The most popular versions of the software that our community members download are 4.84, 4.7 and 4.6.

You can find the software in the System Utilities category on our software library.

Some users note that there are several advantages: it works perfectly, the software works like a charm, is stable, is light on resources and is open source. The built-in antivirus system reports that this software is secure.

  • Developed by F.lux Software LLC
  • File name: flux-setup.exe (670 KB)
  • Latest version: 4.131
  • License: Shareware
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