Downloading Corsair Utility Engine 3.8.91 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the free software is Corsair. The most popular versions of the tool 3.8, 2.8 and 2.5.
We recommend checking the downloaded files with any free antivirus. The software belongs to System Utilities. The latest version of the software can be installed on PCs running Windows XP/Vista/7/8/10/11, 32-bit. The common filenames for the program's installer are CorsairHID.exe, CUE.exe or HeadsetControlPanel.exe etc.
From the developer:
Corsair Utility Engine (iCUE) lets you configure all your Corsair devices such as RAM, keyboard, mouse, an headset. It can be used to change the RGB lighting patterns of your gaming keyboard, mice, and memory modules. You can downloaded dynamic lighting effects and create unique lighting combinations; dynamic in-game lighting effects can set ambient lighting that reacts to what’s happening on screen.
You may want to check out more software, such as Corsair Raptor HS40, RS11 Setup Utility or Engineering Power Tools Plus Edition, which might be related to Corsair Utility Engine.
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