Distributing XNA Game Studio Games
From XNAWiki
The XNA Framework 1.0 Refresh redist installer is found here: LINK.
The XNA Framework 2.0 redist installer is found here: LINK.
For complete instructions on the downloads needed for running XNA Game Studio games on other computers, see this FAQ: http://forums.xna.com/thread/9924.aspx.
For information on creating your own installer package, see this FAQ: http://forums.xna.com/thread/9927.aspx.
If your game crashes on other machines giving them the "<Name> has stopped working" error message, see this FAQ for solution ideas: http://forums.xna.com/thread/55966.aspx.