Where to start

A good place to start for modding Dungeon Siege is reading GPG's resources like the Siege University and FAQ. They also have some articles sent in by the community. You should also get the toolkit for your game.

Dungeon Siege 1

Dungeon Siege 1 Toolkit

Dungeon Siege 2

Dungeon Siege 2 Toolkit

You should also check this page for information about modding resources on this site.

tutorials: