If you would like to insert a new slide in Microsoft PowerPoint, you simply need to push on the ctrl button + M. It will insert the slide that you want. It will be ideal to know the various shortcuts that you can do because this can make it easier for you to do your tasks instead of relying on your mouse all the time.
You can also click on the buttons or icons that you need, but knowing the shortcuts will allow you to rely on your keyboard alone. There are instances when this is exactly what you need to do. Be familiar with the different slides that are available, too, so that you will know how each slide works.