Free software that warms up your computer display at night

f.lux

f.lux 4.133

  -  670.28 KB  -  Freeware
  • Latest Version

    f.lux 4.137

  • Operating System

    Windows XP / Vista / Windows 7 / Windows 8 / Windows 10

  • User Rating

    Click to vote
  • Author / Product

    Michael Herf / External Link

  • Filename

    flux-setup4.exe

  • MD5 Checksum

    055fd67ed939448985e5288633582352

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of f.lux 4.133.


For those interested in downloading the most recent release of f.lux or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

  • f.lux 4.133 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    f.lux 4.133 Screenshot 1
  • f.lux 4.133 Screenshot 2
  • f.lux 4.133 Screenshot 3

What's new in this version:

- Windows 11 additional monitor fix
- Disabled “software mouse” cursor for Windows 11 insider