Remove blemishes, red-eye, and unwanted objects.
If you find yourself needing a serial key because the free version is too limited, the Pro version offers:
Edit hundreds of photos at once (a massive time-saver).
Layers, photo stitching (panoramas), and HDR imaging. The Truth About "Free" Serial Keys Online
Look for the "Free Version" link (usually located at the bottom of the product page or in the fine print).
Access to a large bank of graphics and icons. Conclusion
Most of these keys are "blacklisted" once they are used by multiple people, meaning they won't work or will cause the software to deactivate unexpectedly.