You can just open any or all of these three keynote templates directly and start editing to create your presentation. But if you want to modify the designs or color schemes, you can do this in just a few clicks.
For each Keynotes presentation template there are 2 Photoshop files
Background for title screen, used in title master
General background used for slide master
All the graphics are created using psd vector and layer blend modes. Change the color of the ‘base’ layer to change the color scheme. Documentation included in pdf format for quick guide.