How to fix Unreal Engine 4 Api-ms-win-downlevel-kernel32-l2-1-0.dll not found

Unreal Editor does not start because Api-ms-win-downlevel-kernel32-l2-1-0.dll not found?

Solution is simple:

  • Open Explorer.
  • Go to c:WindowsSystem32CompatTel
  • Locate the DLL and copy it to c:WindowsSystem32

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