For making a quiet installation, it is necessary to take the file GPro500.ini in (C:\Program Files\Guitar Pro 5\data), it contains your preferences and your keys of activation : [...] [Licence] V500USER=*********** V500KEY=********************** [...] Make a sfx like this : and use this simple code : echo Installation GuitarPro 5 RSE ECHO. start /wait soft\gp5\GP5FULLBK.exe /SILENT start /wait soft\gp5\patch.exe echo.