It looks like you're referring to Adobe Creative Suite 5 (CS5), a legacy version of Adobe's creative software suite released in 2010、Here’s a quick breakdown:

Adobe CS5 Overview
Included Apps: Photoshop, Illustrator, InDesign, Dreamweaver, Flash Professional, After Effects, Premiere Pro, and more.
Key Features at the Time:
ContentAware Fill (Photoshop) – AIpowered object removal.
Perspective Drawing (Illustrator).
64bit Support for better performance.
Mercury Playback Engine (Premiere Pro) for faster video rendering.

Is CS5 Still Usable?
Yes, but with limitations:
No longer supported by Adobe (no updates or security patches).
Doesn’t run on macOS Catalina (10.15+) due to 32bit app incompatibility.
Lacks modern AI tools like Generative Fill (Photoshop) or Firefly AI.
Subscriptionbased Adobe Creative Cloud (CC) has replaced CS5 with newer features.

Should You Use CS5 in 2024?
Pros: Onetime purchase (if you own a license), lightweight compared to newer versions.
Cons: Outdated, lacks cloud features, compatibility issues with newer OS/hardware.

Alternatives
Adobe Creative Cloud (Subscriptionbased, latest AI tools).
Affinity Photo/Designer (Onetime purchase, Photoshop/Illustrator alternative).
Free Options: GIMP (Photoshop alternative), Inkscape (Illustrator alternative).

If you meant something else by AI CS5, let me know! Are you asking about AI features in CS5 or a different topic?