本资源是关于Unreal Engine扩展资料，Unreal Engine 4.2.0 Source Code Optional Files，大小:2.9 GB，语言：英语。

Unreal Engine 4.2.0 Source Code Optional Files

This is the optional content file for the Unreal Editor 4.2.0 release

Place “Engine” directory to the root of your UnrealEngine installation directory, and merge with the existing “Engine” directory that resides there.