Here is the status report on driver support for the ATI Radeon HD 4890 on Windows 10 64-bit.
ATI Radeon HD 4890 is a legacy graphics card (released in 2009) and does not have official, dedicated Windows 10 drivers from AMD. AMD ended official driver support for the HD 4000 series with Windows 8. However, you can successfully run this card on Windows 10 (64-bit)
Force-install the Windows 8.1 legacy driver (Catalyst 13.4 beta or 13.9)
ATI Radeon™ HD 4890 Drivers and Downloads | Latest Version
Go to the official AMD Support page and download the Catalyst Software Suite for Windows 8 (64-bit) or Windows 7 (64-bit). Version: 13.1 (Windows 8) or 13.9 (Windows 7).