UE4.13.2 does'nt run

He guy I am sorry for my english because i am french :))

I have a probleme with UE4.13.2, i have download it, and then when i started it, it does’nt run.
So when i click on launch nothing appear, just a message “running” and then nothing else.

I have Windows 7 64 bits, i install all my windows updates and directx …i really don’t know what to do …

thanksfor yours fuurs response :))