Epic does not provide a public, permanent direct download link to avoid outdated versions. However, the official file is hosted on their CDN. As of the latest UE 4.27, you can use this verified link (copy into your browser):
This guide provides the official direct download links for the UE4 Prerequisites setup, explains what this software does, and walks you through fixing common installation errors. Direct Download Links for UE4 Prerequisites (x64) ue4 prerequisites x64 setup link download
If you already have Unreal Engine or a UE4-based game installed, you do not need to download the file from the web. You can find the UE4PrereqSetup_x64.exe directly in your local folders: For Engine Users [UNREAL_ENGINE_ROOT]\Engine\Extras\Redist\en-us\ For Steam Games Epic does not provide a public, permanent direct