How to run a file before setup with Inno Setup

Is it possible to run a file with Inno Setup, before the setup beginns? Documentation


Yes it is. In the [code] section run the file in the InitializeSetup() function. This example launches notepad before the setup runs.

function InitializeSetup(): boolean;
  ResultCode: integer;

  // Launch Notepad and wait for it to terminate
  if Exec(ExpandConstant('{win}\notepad.exe'), '', '', SW_SHOW,
     ewWaitUntilTerminated, ResultCode) then
    // handle success if necessary; ResultCode contains the exit code
  else begin
    // handle failure if necessary; ResultCode contains the error code

  // Proceed Setup
  Result := True;


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