Some users have modified to install on Windows 10 by:
Getting the ATI Radeon HD 4890 running on Windows 10 64-bit can be a bit of a project because AMD has officially moved this card to "Legacy" status. While there are no brand-new official drivers being released for this series, you can still get it working perfectly with a few specific steps. 1. The "Official" Windows 10 Method (Plug & Play) ati radeon hd 4890 drivers windows 10 64bit new
If the Legacy driver refuses to install, you may need to force it via Hardware IDs. Some users have modified to install on Windows
The first step in getting your ATI Radeon HD 4890 drivers up and running on Windows 10 64-bit is to find the correct drivers. Here are a few methods to help you do so: The "Official" Windows 10 Method (Plug & Play)
Select the .inf file and click to force the installation. Restart : Reboot your PC to finalize the driver application. Known Issues & Performance