On the Standard
toolbar, click New 
.
If you want to keep the default title layout for the first slide, go to step 3. If you want a different layout for the first slide, in the Slide Layout
task pane, click the layout you want.
On the slide or on the Outline tab, type the text you want.
To insert a new slide, on the toolbar, click New Slide 
, and click the layout you want.
Repeat steps 3 and 4 for each new slide, and add any other design elements or effects you want.
When you finish, on the File menu, click Save, type a name for your presentation, and then click Save.
Tip
You can also create a blank presentation in the New Presentation task pane (File menu, New command).