Unreal engine 4 not working with AMD System

specs of system:
AMD
RX 470 4GB
FX-8350
Windows 10
64-bits OS
i tried updating my drivers but it still not working! when i launch UE it just starts showing black strips or glitches over option with cursor and doesn’t work!

few months ago i tried working with latest version it didn’t work that time and not working now!
Please help me out! i really wanna learn UE4!

RAM is 8GB