I have problem in installing unreal engine 4

I have toshiba i3 laptop before some days i installed unreal engine 4 after installing it i tried to open it but is shows some problems like assertion failed how can i fix it

when i open unreal engine it shows this problem

are your GPU drivers up2date?
im seeing alot of directx 11 issues, normally indicates you don’t have something installed related to graphics, or are using an incompatible gpu.
What is your graphics device?