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Double-click UE4PrereqSetup_x64.exe . If User Account Control (UAC) is enabled, Windows will ask for administrator permission. – some components (like VC++ redist) require admin rights. Ue4 Prerequisites -x64- Setup
Therefore, when we discuss setup, we are strictly talking about a 64-bit operating system (Windows 10/11 64-bit) and hardware that supports this architecture. Attempting to run UE4 on legacy 32-bit hardware is not supported and is technically impossible for modern versions of the engine. : Double-click UE4PrereqSetup_x64
The "x64" designation indicates that the prerequisites are compiled for 64-bit architectures. As of UE4.15, Epic Games dropped official support for 32-bit game builds. Therefore, all modern UE4 development and deployment require a 64-bit environment. when we discuss setup