The help files are with the main download/cd package.In my case they are stored in " D:\Program Files\Atmel\AVR Studio\Help" But they are pretty sparse. I think there is a separate manual you can download from atmel (http://www.atmel.com) in pdf format. Richard P Tony Nixon cc: Sent by: pic Subject: {AVR]: help file microcontroller discussion list 22/08/01 14:40 Please respond to pic microcontroller discussion list Is anyone there using AVR studio and know where the help files for it are? -- Best regards Tony mICros http://www.bubblesoftonline.com mailto:sales@bubblesoftonline.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.