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Look for a file named Setup.exe , Update.bat , or a .bin firmware image.
Could you tell me a bit more about the this file is for (e.g., a printer, network switch, or server component )? Knowing the manufacturer or where you saw the file mentioned would help me find a verified download link for you. Updating Printer Firmware Using Epson Software Updater Download EP20070903 rar
Right-click the file and select to keep the files organized. Run the Installer/Updater Look for a file named Setup