Correct the system downloads

It is really bad system, has many errors, from the installation of the launcher to downloading UDK, cut, is unstable, should have other more effective to download method, you can not be 5 days to download 5GB unfortunately I ubiece seguire liked to try UDK but since I have installed the Unity 3D

http://memesvault.com/wp-content/uploads/Okay-Meme-Gif-05.jpg

UDK?