Steps. Open PowerPoint. Double click the PowerPoint app icon, which resembles a white “P” on an orange background. Click Blank Presentation. Click the View tab. Click Slide Master. Select a slide format to edit. Click Insert Placeholder. Select a placeholder. Select a location..Create a PowerPoint template. Open a blank presentation File > New > Blank Presentation. On the Design tab, select Slide Size > Custom Slide Size and choose the page orientation and dimensions you want. On the View tab, in the Master Views group, choose Slide Master..Download Step process diagrams and slide designs for PowerPoint to make presentations describing simple and complex processes..Learn how to change and customize your own PowerPoint theme, including the A picture of the different colors you can choose as part of making your own custom custom fonts , simply follow the steps above and choose Customize Fonts..Creating a PowerPoint Slide. Step Open Microsoft PowerPoint. Step Go to File Step In the “New Presentation” dialog box, click on “From Design Template. You may add pictures by clicking on the box that says “Click to add content.”..This eight step tutorial demonstrates how to create a custom PowerPoint template for your clients from scratch..