Can't download required files for UE4 Source

Whenever I try to download the Required packages from the Github cloud so I can build UE4, it goes well the first 100 mb or so, and then the speed comes to an absolute halt. After a while it tells me that something went wrong while downloading the files.

I am using Google Chrome on Windows 8.1

Why is this happening?

http://puu.sh/h8OgN/d5064e97e8.png

http://puu.sh/h8OjC/5f658aeba4.png

Are you really using 4.5.1? Just to let you know that the process has changed since then and all you need to do is run Setup.bat and it will automatically grab the build dependencies (in an incremental and resumable way).

More info here under “Getting up and running”: https://github.com/EpicGames/UnrealEngine/tree/4.7

I’m just following this: https://docs.unrealengine.com/latest/INT/Programming/Development/BuildingUnrealEngine/index.html

Ah, that information is out-of-date. I’ll raise a ticket so the docs team update it.

If you’re starting out fresh, you’ll likely want to grab the 4.7 branch rather than the 4.5 branch, and follow the instructions outlined in the readme on this page: https://github.com/EpicGames/UnrealEngine/tree/4.7

I did grab the 4.7 branch but I just assumed the dependencies had not changed since 4.5

Oh, they change frequently (it’s the reason we made the dependency downloading incremental) since they’re basically all the non-source data (including assets).

If you’ve already got 4.7, you just need to run Setup.bat and it will start downloading the dependencies.