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UE4PrereqSetup_x64.exe /quiet /norestart /log "%TEMP%\UE4Prereq.log"
However, due to its exclusive nature, it may fail if an older version exists. A robust enterprise script would first uninstall old runtimes:
For game studios with 20+ workstations or rendering farms, manually clicking through the GUI is impractical. The installer supports silent installation.
: Provides fundamental operating system functions.