Firmware upgrade tutorial for EG800K-EU

Hello, I would like to obtain the firmware instructions/tutorial for upgrading the firmware of EG800K-EU on Windows 11, please. I already got the firmware EG800KEUCCR07A06M02 but now I don’t know how to upgrade its current firmware (from factory) which is EG800KEUCCR07A04M02 on Windows 11. Please help. Thanks!!