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  1. Unreal Engine 4.3 fails to start on Mac OS X 10.10. After Updating to Unreal Engine 4.3 today the Editor hangs on startup while displaying the splash screen. It also shows a popup telling me to update to the latest version of OS X for best performance, which I can't dismiss either. Now, I know that with beta software and all that one has to.
  2. Virtual production-ready facial animation in real time from your iPhone or iPad - Live Link Face for Unreal Engine. Stream high-quality facial expressions to characters and visualize them with live rendering in UnrealEngine. Record facial tracking data that can be further fine-tuned in animation tools to achieve a finalperformance.

Install or open the Epic Games launcher. Sign into the Epic Games launcher. On the Unreal Engine tab, click the Install Engine button to download and install the latest version of Unreal Engine. If you have additional questions, visit our FAQ or reach out on our support channels. Start your learning journey.

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UE3 Home > Unreal Engine 3 Basics > UE3 Minimum and Recommended Specifications
  • UE3 Minimum and Recommended Specifications
    • PC Hardware Spec Used by Epic Games
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Minimum PC Requirements for Users

  • Windows XP SP3 (32-bit only)
  • 2.0+ GHz processor
  • 2 GB system RAM
  • A graphics card with shader model 3.0 support.

Minimum PC Hardware Requirements for Developers

  • Windows XP SP3 (32-bit only) with DirectX 9.0c
  • 2GHz or better CPU
  • 2+ GB RAM
  • A graphics card with Shader Model 3.0 support, such as nVidia GeForce 7800

NOTE: Windows 7 64bit is currently the mainstream development environment.

Recommended PC Hardware Specs for Developers

  • Windows 7 64-bit
  • 2.0+ GHz multi-core processor
  • 8 GB System RAM
  • NVIDIA 8000 series or higher graphics card
  • Plenty of HDD space

PC Hardware Spec Used by Epic Games

HW Spec for Epic's Programmers

  • Lenovo ThinkStation D20 (Model 4158-C95)
  • Windows 7 64-bit
  • Dual Quad-Core Xeon Nehalem Processors (3.17GHz)
  • 24 GB DDR3 RAM
  • nVidia GeForce GTX 285 (1 GB DDR3)
  • 3x500 GB Hard Drives (1x OS Drive, 2x Data Drives in a RAID 0 configuration)

HW Spec for Epic's Level Designers

  • Windows 7 64-bit
  • Dual Quad-Core Xeon Processors (3.0GHz)
  • 16 GB DDR2 RAM
  • nVidia GeForce GTX 285 (1 GB DDR3)
  • 3x500 GB Hard Drives (1x OS Drive, 2x Data Drives in a RAID 0 configuration)

HW Spec for Epic's Artists (same specs as L.D.)

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  • Windows 7 64-bit
  • Dual Quad-Core Xeon Processors (3.0GHz)
  • 16 GB DDR2 RAM
  • nVidia GeForce GTX 285 (1 GB DDR3)
  • 3x500 GB Hard Drives (1x OS Drive, 2x Data Drives in a RAID 0 configuration)

HW Spec for Epic's Testers

  • Custom built PC's with
  • Windows 7 64-bit
  • Intel Core2Extreme Quad Core Processor - Q6800 - 2.93 GHz
  • 4 GB DDR2 RAM
  • nVidia GeForce 8800 (768 MB GDDR3)
  • 1x320 GB Hard Drive (OS Drive), 1x500 GB Hard Drive (Data Drive)

HW Spec for Swarm Farm Servers

  • IBM BladeCenter HS22 [7870AC1] (14 Nodes)
  • Spec for one node:
    • Dual Quad Core Xeon Processors (2.53 GHz)
    • 24 GB DDR3 RAM
    • 73GB SAS Drive

Graphics Card Drivers

For NVIDIA cards we currently recommend using the officially released ForceWare 191.07 drivers. Download here.

For ATI we currently recommend using the officially released Catalyst 9.8 drivers. Download here.

Performance Notes

  • VTune can be an extremely useful tool for finding performance problems, but only works on Intel CPUs.
  • To help with hitting the NextGen Game asset wall, we do the following
    1. All machines have 16 GB or more RAM.
    2. All machines have a RAID 0 (Striped) drive where the game is located.
    3. We have a companywide defrag process that runs on everyone's machine over night: Perfect Disk 8.0 by RaxCo.
      • Easy Centralized Management to install on remote machines, schedule runs, upgrade, etc.
      • Supported XP, Vista64.

Basically, the bottleneck is I/O so getting a RAID 0 and lots of RAM can help out a lot.

Compile Times

Below are typical full rebuild times for UDKGame, Win32, Release mode that we see when using a typical Epic programmer spec machine (8 HT cores @ 2.8GHz with 24GB RAM):

single system 2 minutes 50 seconds
distributed using many XGE (IncrediBuild) agents 1 minute 37 seconds

64-Bit Performance

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Most people at Epic are running Windows 7 64-Bit as their primary development OS. The biggest benefit is having more than 4GB of RAM as it speeds up iteration time immensely as you are no longer just constantly swapping to disk.

For programmers, the most obvious benefits will be in:

  • Compile C++; link C++
  • Compile UnrealScript
  • Run editor; run1-2 copies of the game

Unreal Engine has some specific hardware and software requirements for running the Editor. This page covers these requirements, as well as describing what is installed by the pre-requisites installer included in the Unreal Engine installer.

Recommended Hardware

Minimum Software Requirements

Minimum requirements for running the engine or editor are listed below.

The requirements for programmers developing with the engine are listed below.

Graphics Card Drivers

We currently recommend using the latest stable releases from each card manufacturer:

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Performance Notes

Download Unreal Editor For Mac

This list represents a typical system used at Epic, providing a reasonable guideline for developing games with Unreal Engine 4:

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  • Windows 10 64-bit

  • 64 GB RAM

  • 256 GB SSD (OS Drive)

  • 2 TB SSD (Data Drive)

  • NVIDIA GeForce GTX 970

  • Xoreax Incredibuild (Dev Tools Package)

  • Six-Core Xeon E5-2643 @ 3.4GHz

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If you don't have access to Xoreax Incredibuild (Dev Tools Package), we recommend compiling with a machine having 12 to 16 cores; however, we encourage you to read the Hardware Benchmarks (2017) reference to learn more about compiling with and without XGE.