Creating New Presentation:For creating a new presentation in MS-PowerPoint, there are two options available to make a selection of creating new presentation:1. Creating Blank PresentationFor creating a blank presentation, do the following:1. Click on Office button and then click New from the menu that appears.2. A New Presentation dialog box will appear.3. Select Blank Presentation and click on Create button. A blank presentation with one slide will be created. Also, further slides can be added to the presentation and can change the layout of an existing slide as well.2. Creating Presentation using ThemesYou can quickly and easily format an entire presentation to give it a professional and modern look by applying a theme. In MS-PowerPoint 2007, you can apply theme using these two methods which are as follows:Method 11. 1. Click on Office button and then, click New from the menu that appears.2. A New Presentation dialog box will appear.3. From the right hand side page, select Installed Themes under Templates.4. Select any one of the theme as per the users choice.5. Click Create button.Method 21. Select Design tab under the MS-PowerPoint 2007 ribbon menu system.2. Select Themes group under this tab.3. Select any one theme as per the choice.4. Effects will be automatically applied on all the slides.Saving a PresentationProcedure for saving a presentation is same as saving a MS-Word document and MS-Excel workbook. For saving your presentation, do the following:1. Click on the Microsoft Office button and then, click Save As option from the menu that appear.OrPress Ctrl+S from keyboard.2. Save As dialog box will appear, in the File name box, enter a new name to save the file.3. Then, click Save button