Luminar 4.3.3 (8840) Multilingual | macOS | 387 mb Revolutionary tools and AI technologies in Luminar 4. Luminar 4 is carving its own niche in the already saturated world of photo-editing software. The latest creation from Skylum, Luminar 4 is full of easy-to-use editing tools that are perfect for photographers who want to streamline the process of editing their photos. If you want to spend less time in front of a computer, then this is a serious contender.