All HD 4000 Series GPU cards are legacy without any AMD Driver updates.
therefore the only drivers available are the one at AMD Download page: https://www.amd.com/en/support/graphics/amd-radeon-hd/ati-radeon-hd-4000-series/ati-radeon-hd-4870
Any of the HD 4800 Series AMD Driver will work for all HD 4800 series GPU cards. Unfortunately, there are no Windows 10/11 drivers.
In that case you need to allow Windows Update to install a compatible Windows 10/11 AMD Driver for your old HD 48xx GPU card: