How to download ARTv1 maya ToolKit when using UE4 source engine?

I have always used github version of the engine. How can I download ARTv1 toolkit?

When I click “Install to Egnine” button, i get this:

Do I need to download 5GB worth of engine I wont be using to install this toolkit?

Thank you.

Found the solution.

As of writing of this post, ARTv2 is fairly stable and feature complete, and you can clone it here:

https://github.com/EpicGames/ARTv2

To install:
Open Maya, drag install.mel into maya 3d viewport.

If you have script error, try changing:

python("if not os.path.exists(mayaModDir): os.path.makedirs(mayaModDir)");

to

python("if not os.path.exists(mayaModDir): os.path.os.makedirs(mayaModDir)");

The link is not working anymore, unfortunately.
P.S.: I’ve found this one instead: ARTv2 — Jeremy Ernst

ARTv2 is NOT stable. We need ARTv1