1. Run setup with /S 2. Make it copy your key file to the kaspersky install directory ("%systemroot%\program files\Kaspersky Lab\Kaspersky Anti-Virus Personal\" normaly) but make it add .yek on the end. E.g. if the key file is 000679A5(2005).KEY make it copy 000679A5(2005).KEY to "%systemroot%\program files\Kaspersky Lab\Kaspersky Anti-Virus Personal\000679A5(2005).KEY.yek" ECHO.ECHO Installing Kaspersky Anti-VirusECHO Please wait...start /wait %systemdrive%\Install\antivirus\setup.exe /Scopy /Y "%systemdrive%\Install\antivirus\000679A5(2005).KEY" "%systemdrive%\program files\Kaspersky Lab\Kaspersky Anti-Virus Personal\000679A5(2005).KEY.yek"Hope that helps!