@echo off set UE5_EXE=%~dp0PortableUE5\Engine\Binaries\Win64\UnrealEditor.exe if exist "%UE5_EXE%" (start "" "%UE5_EXE%") else (echo Build missing. Run GenerateProjectFiles.bat)
This guide covers why you’d want a portable version, the legal/tool limitations, and step-by-step instructions for Windows. unreal engine 5 portable
Running Unreal Engine 5 (UE5) as a portable application allows you to work on your projects directly from an external drive (USB SSD or HDD) without needing to install the Epic Games Launcher or the engine on the host computer's primary drive. Overview of Portable UE5 Overview of Portable UE5 Yes, with massive asterisks
Yes, with massive asterisks. You can run UE5 on an iPhone 15 Pro or ROG Ally. You can get stable frame rates. You can use the material system. But you cannot use the flagship features (Nanite/Lumen) without severe battery drain or frame drops. You can use the material system