!macro _RunningX64 _a _b _t _f
  !insertmacro _LOGICLIB_TEMP
  System::Call kernel32::GetCurrentProcess()i.s
  System::Call kernel32::IsWow64Process(is,*i.s)
  Pop $_LOGICLIB_TEMP
  !insertmacro _!= $_LOGICLIB_TEMP 0 `${_t}` `${_f}`
!macroend

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