Answer : 3. "एमएस पॉवरपॉइंट"
Explanation :

1. Microsoft PowerPoint: This is the most popular slide show presentation software. It is easy to use and has many features that allow you to create engaging and informative slideshows.

2. Google Slides: It is a free online slideshow presentation software. It offers similar features to PowerPoint and can be used in any web browser.

3. LibreOffice Presentation: It is a free and open-source slideshow presentation software. It offers features similar to PowerPoint and Slides.

4. Adobe Presentation: It is a professional slide show presentation software. It has more advanced features than PowerPoint and Slides.