When you launch an Unreal Engine application ( .exe ) built with UE4, the system checks for these prerequisites. If missing, the setup prompts the user to install them. This avoids crashes caused by missing Visual C++ redistributables or DirectX runtime issues.
The "UE4 Prerequisites -x64- Setup" is the foundation and the plumbing of that skyscraper. Without it, the building looks fine from the outside, but the moment you turn on a faucet (or in this case, try to render a texture), the whole thing floods. Ue4 Prerequisites -x64- Setup
Thus, the exclusively installs 64-bit versions of: When you launch an Unreal Engine application (
Required for applications built with Windows 10 SDKs. 4. Installation Procedure try to render a texture)
: These often mean the prerequisite installation failed.