Looks like you have to do some things to get it to work on Win7 64, but it will:
http://social.answers.microsoft.com/Forums/en-US/vistagaming/thread/a38e7159-6afb-4241-b917-741f04b1ea42
http://social.answers.microsoft.com/Forums/en-US/vistagaming/thread/a38e7159-6afb-4241-b917-741f04b1ea42