To add a new slide to your presentation press Control+M, right click on the side pane New Slide, or Slide ‣ New Slide. If you don’t want a music symbol to show on your presentation when presenting drag it outside the margins of the slide. To insert audio or video to your presentation Insert ‣ Audio or video and a file dialog will popup for you to pick a file. To insert a picture press the button with what looks like a photograph of a tree and select the file you want to insert or Insert ‣ Image….

To type text into a presentation click in one of the boxes for your theme and type in the text with controls for the text on the right hand side. To save a file as a PDF File ‣ Export as PDF.

To save a new copy under a custom file name File ‣ Save As. To save your presentation press the button that looks like a floppy disk or File ‣ Save. To open a new presentation press Control + N or File ‣ New ‣ Presentation. To view your recently opened files press File ‣ Recent Documents. To open a previous presentation you have been working on press the button that looks like a folder with a piece of paper in it and navigate to the file you want and open it or File ‣ Open. To add a title to a slide click where it says click to add title. To not show the presentation template at startup uncheck the Show this dialog at startup checkbox. If you want to search for a theme type into the Search towards the upper left. When you open LibreOffice impress you will get a dialog to select a template with a preview select which one you want to use by left clicking and then click Open.

Libreoffice slides