To add WordArt to your slide, click the Insert menu, choose Picture, and click WordArt.

 

 

Next, click a style and click OK.

 

 

Now, just type your text and click OK.

 

 

Your WordArt will appear on the slide; you can drag it wherever you want.

 

 

And, you can use the WordArt toolbar to modify all aspects of your WordArt.