The only difference between the PRO and the ULTIMATE version are its additional contents. The ULTIMATE version comes with additional picture tubes and Nik Color Efex which are not included in the PRO versions. The bonus content is accessed with a seperate download link or on another disc, and, once installed, will be accessible in PaintShop Pro.
Ultimate Bonus Pack
Bonus! Nik® Color Efex Pro™ 3.0 - award-winning photographic filters
Maximize your photo opportunities with Nik® Color Efex Pro™ 3.0, which includes over 250 effects and styles and 30+ emulated film types in 52 easy-to-use filters. You get traditional and stylized filters that offer virtually endless possibilities to enhance and transform images quickly and easily.
Bonus! Royalty-free images from Fotolia - a unique collection of images
Choose 21 royalty-free images from Fotolia's unique collection. Fotolia offers the largest image bank of high-value, royalty-free photos and illustrations perfect for any medium, web or print.
Bonus! Custom photo book
Showcase your images in a beautiful custom photo book* from Blurb®.
Bonus! Picture Tubes™
Get a selection of our best Picture Tubes from our extensive collection.
Furthermore, you will receive additional Plug in once you register the software.
Refer to article: Where Do I Find The KPT Incentive In PaintShop Pro X4
Keywords: PSPX4, KPT, Ultimate, Pro, PaintShop Pro X4