-x64- Setup [new] - Ue4 Prerequisites

: Open Control Panel > Programs and Features . Find the "Microsoft Visual C++ 2015-2019 Redistributable" and select Repair .

: When downloading UE4 from GitHub, you must run Setup.bat in the root folder first. This script automatically triggers the prerequisites installation. Ue4 Prerequisites -x64- Setup

The prerequisites window appears every time you launch, or hangs indefinitely. : Open Control Panel > Programs and Features

Minimum (development):

| Issue | Fix | |-------|-----| | Stuck at “Processing…” | Close the window, run as Administrator: right-click → | | Loops repeatedly | Uninstall all Microsoft Visual C++ Redistributables (2015–2022) via Control Panel → reinstall official ones from Microsoft | | “Another installation already running” | Restart your PC, then try again | | Antivirus blocking | Temporarily disable real-time protection, run setup, then re-enable | then re-enable |