i am using an acer aspire E1-572 and i get “this installation package is not supported by this processor type.contact your product vendor.” error message. got the installation package from Unreal Engine herunterladen - Unreal Engine
You must be using a 64-bit processor in order to run UE4.
Here is what we recommend:
Desktop PC with Windows 7 64-bit or a Mac with Mac OS X 10.9.2 or later
8 GB RAM
Quad-core Intel or AMD processor
DX11 compatible video card