FAQ
Everything you need to know about Flux.
Purchasing & Downloads
How do I buy Flux?
Just click Buy on the homepage.
You'll be taken to a secure checkout to complete your purchase.
How do I download Flux after purchasing?
How do I get updates?
What's a magic link?
Instead of a password, I'll send a one-time sign-in link to your email.
Click the link and you're in.
No password to remember.
Bought via Gumroad
I bought Flux on Gumroad. How do I get my download?
All Gumroad purchases have been transferred to this site. Just sign in with the email address you used on Gumroad and your downloads will be waiting for you.
If you can't remember the email you used or have lost access to it, send me an email and I'll help sort it out.
License
Is Flux open source?
The core Flux simulation is open source and MIT licensed.
The Flux screensaver itself is not open source.
Do I get future updates?
Absolutely. Your purchase includes all future updates at no extra cost.
Settings & Usage
How do I change the colors and settings?
Open Settings → Personalization → Lock screen and choose Screen saver settings.
Select Flux from the drop-down, then click Settings to customize colors, fluid parameters, and more.
Can I use Flux with Wallpaper Engine?
Yes! Rename
Flux.scr to Flux.exe and Wallpaper Engine will be able to run it.
Pass the /s flag to start the screensaver.Installation
How do I install Flux?
Download the installer from your Downloads page, open it, and follow the on-screen instructions.
How do I uninstall Flux?
If you used the installer, go to Settings → Apps, find Flux in the list, and click Uninstall.
If you installed manually, simply delete the Flux.scr file you downloaded.
Flux will disappear from the screensaver options.
Troubleshooting
The screensaver disables HDR on my monitor.
This was fixed in v1.5.0.
Make sure you're running the latest version and HDR will stay enabled.
My antivirus flagged Flux as unsafe.
This is a false positive — Flux is completely safe to use.
You can whitelist
Flux.scr in your antivirus settings.
If this happens to you, I'd appreciate it if you let me know so I can look into it.Task Manager shows really high GPU usage.
Don't worry — this is normal.
Most GPUs throttle their clock speed when possible to save power.
GPU utilization reflects the load at the current clock speed, not the maximum.
Tools like GPU-Z can show you the actual clock speed and power draw.