Right click on the desktop -> AMD settings ¹(must be there with the current driver) -> System -> Switchable graphics -> Find application ²(if it is not listed, look for it under 'Profile installed applications') -> Switch to high performance ¹ If this setting is missing: https://www.amd.com/de/support/kb/faq/gpu-driver-autodetect ²I'm not sure, but you'd have to be looking for pyrogenesis, not 0AD. (Could someone specify that more precisely? Thanks)
____ Windows 10 - "back then" - overwritten my manufacturer drivers with the MS scrap with every update. You should check this every update. The Windows Generic Driver from the Update never supports OpenGL, as it should. The driver has to be renewed manually from: https://downloadcenter.intel.com/