AMD Catalyst 17.1.1 can be downloaded from our website for free. You can launch this free PC software on Windows XP/Vista/7/8/10 32 and 64-bit. The software lies within System Utilities, more precisely Drivers. The tool is sometimes referred to as "AMD Catalyst Install Manager". InstallManagerApp.exe and install.exe are the most frequent filenames for this program's installer. This free software was originally developed by Advanced Micro Devices, Inc. The most popular versions of the software are 8.0 and 3.0.
From the developer:
AMD Catalyst software allows you to manage all the settings of your AMD graphic cards. You can change the resolution of single/multiple monitors, change the color level, etc. of displays, and the gamma, color tone, and other enhancements for video playback. You can also change the 3D graphic settings such as Anti-Aliasing, Anisotropic Filtering, Tessellation, A.I. based optimization, and OpenGL buffer.
You may want to check out more software, such as AMD APP SDK, Silver Catalyst or Catalyst Deluxe, which might be related to AMD Catalyst.