Why the latest version? PowerPoint 2019 for Windows has all the functionality and features you're used to, with some added enhancements and the best new features from Office 2016. Some of these new features include Enhanced collaboration, Document activity, Real Time Presence, Ink Annotation, Morph Transition, PowerPoint Designer, Do things quickly with Tell Me, new chart types, Insights into what you're working on, Ink Equations, Screen recording, Simpler sharing, Better conflict resolution, Improved version history, Colorful, Dark Gray, and White Office Themes, Better video resolution, Morph Transition, Improved Smart Guides, Quick Shape Formatting, etc.
