When I downloaded a UE4 and launched instalation appeared a error which reads “This installation package is not supported by this processor type. Contact your product vendor.” Can anyone help me? I really want to make a game whit this engine 
Do you use the UE4 on a 64 bit system? 
https://answers.unrealengine/questions/183578/this-installation-package-is-not-supported-by-this.html