Hybrid CD-ROM version, suitable for long-term storage. I don't currently own a computer, so I borrowed an external drive at an internet cafe to test it. Clicking the "auto run" file launched all three discs, allowing for browsing. Please be aware that some articles lack photos for various reasons, so don't mistake them for defective products. Regarding the "FRIDAY 10 Year History" which couldn't fit in the product title, I couldn't view it. The files loaded and displayed, but after trying various things based on photo 20, it was impossible for me, who has been without a computer for decades. It seems the Kodak Photo CD Player software is specialized and perhaps outdated in the current computer environment? That's just my guess. Therefore, consider the "FRIDAY 10 Year History" as a bonus. It might be advantageous for those with strong computer skills. Please consider this.