hi, i would just like to know what they all mean, like elajua knew the 3 i wrote on my first post, when i know what they mean i can start putin into use but in till i know im playin a guessin game? surly if people know what they mean its not hard to quick write a list, aint that just helpin? iam quite new to all this everybodys goter start somewhere! cheers james feel free to give me some links. Like i just said, just read Inno setup, NSIS setup and Windows Installer documentation, you can even search it for just the available switches and their meaning/actions. Just go to their websites, the docs are there.