If you just want the functionality (smart blending and face-aware collages) without the headache of hunting for dead product keys, these modern tools do the same thing for free:
A great web-based tool that can arrange photos into specific shapes (similar to the AutoCollage "advanced" settings). A Quick Warning If you just want the functionality (smart blending
Because that software is nearly 15 years old and has been officially discontinued, finding a "25-character product key" online is difficult and often leads to sketchy sites. Here is the lowdown on the state of AutoCollage today and how you can actually use it. The Status of AutoCollage 2008 The Status of AutoCollage 2008 Microsoft Research released
Microsoft Research released AutoCollage as a showcase for advanced computer vision. It was popular because it didn't just "tile" photos; it used face detection and smart blending to create seamless montages. If you just want the functionality (smart blending
Offers much more creative control and modern blending effects.
AutoCollage was often bundled with certain Microsoft LifeCams or specific laptops (like Sony Vaios) during the Windows Vista and Windows 7 era. If you have an old webcam box lying around, the key is usually on a sticker or a CD sleeve.
Do you have a you're trying to turn into a collage right now, or are you just trying to get that classic software running for nostalgia?