The ds2tk_installer_v1.0.exe file you have requested: Tools and Utilities / Mod Tools / Dungeon Siege 2 Mod ToolKit - 13.5mb is not available. Perhaps try browsing all files for the game Dungeon Siege II and upload any files you want to share or are missing. This is the only information we could locate:
Gas Powered Games has released the first mod toolkit for its recently released RPG Dungeon Siege 2. This kit will allow modders to create their own content for DS 2, although no details are available at this point.