Inno Setup: Install file from Internet

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Inno Download Plugin by Mitrich Software.

  • It’s an InnoSetup script and DLL, which allows you to download files as part of your installation.
  • It supports FTP, HTTP and HTTPS.
  • It’s kind of a drop-in replacement for InnoTools Downloader. Only few changes required.
  • It brings a decent download display and HTTPS and Mirror(s) support.

Example:

#include <idp.iss>

[Files]
Source: "{tmp}\file.zip"; DestDir: "{app}"; Flags: external; ExternalSize: 1048576

[Code]
procedure InitializeWizard();
begin
  idpAddFileSize('http://127.0.0.1/file.zip', ExpandConstant('{tmp}\file.zip'), 1048576);

  idpDownloadAfter(wpReady);
end.

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