>>would all the selected drivers been compressed in a rar self extractive archive put on the CD ? Yes. And they will be automatically extracted in DetachedProgram >>All differents drivers in a single archive or if i select 5 different drivers, they would have each one an SFX archive ? One archive. >>The selected parameters would be added to the default WINNT.SIF in files\Windows2000 ? No. It's not using winnt.sif. It creates files wi001.sif, wi002.sif etc >>just small change to Windows 2000 WINNT.SIF : default TargetPath=\WINNT rather than WINDOWS I like "Windows" better But you can change it. This file contains default values for any answer file created.