Look up blank jeopardy PowerPoint on the internet. Then, click on whichever site you may want to find a jeopardy PowerPoint on.Then, it may ask you if you would like to upload this blank jeopardy...
"The "Jeopardy!" production staff has six researchers and 10 writers whose jobs are to create and assemble categories and questions for the series." See Jeopardy About the Show related link
If you're doing only one round, I would recommend jeopardylabs.com. If you're planning on doing a full game however, use PowerPoint or another site that you can find on the internet.