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AreDub3D
11-05-2009, 05:27 PM
I actually use Vista 64 SP2 — which is the recommended system, but when I run the editor, the splash screen says "32 bit". Is there a way to launch a 64-bit version of UDK that I'm missing?
Daniel Vogel
11-05-2009, 05:29 PM
I'm afraid the November 2009 version of the UDK only comes with 32 bit binaries.
Denny
11-05-2009, 05:39 PM
But there are plans for a 64-bit version in one of the upcoming releases?
AreDub3D
11-05-2009, 05:41 PM
Ah ... well, thanks for the quick response!
Will keep and eye out for future versions — would guess it could help a lot with lighting build ... but that seems to be much faster already!

Way to go, Epic!
Denny
11-05-2009, 05:53 PM
If you have several computers available you could always add them as agents in Swarm and do a cluster build for the lighting. ;)
Daniel Vogel
11-05-2009, 06:03 PM
I actually forgot to mention that the lightmass client is a 64 bit application... d'oh!
weephun
06-03-2010, 06:33 PM
As of the MAY 2010 build, the UDK editor will run in 64 bit on 64 bit operating systems.
frozenfire2
06-04-2010, 05:59 PM
yay to that. I guess I have enough reason to move to Win7 64-bit now
djkitt
12-26-2010, 09:22 PM
To run 64bit version don't you just change your start up path to the Win64 directory?

C:\UDK\UDK-2010-12\Binaries\Win64\UDK.exe editor

That's what I did and it runs with the Unreal Development Kit (64-bit, DX9) tag in the menu bar. What about running it with DX11? My video card supports DX11, but I haven't looked to change my UDK Editor to use it. Not sure if it's worth it, since I'm still learning UDK.