: Scams often allow you to edit a video but block saving or exporting unless you pay for a "full version".

: Microsoft has moved on from Windows Movie Maker, and users might find that the software is not fully compatible with newer operating systems or hardware.

Part of the Windows Essentials suite.

Looking for serial keys or cracks for software like this carries significant risks: Malware and Security:

He dragged a grainy clip of his dog chasing a ball into the timeline. He applied the "9950 Best" transition. Suddenly, the dog didn't just blur into the next scene; it folded into a thousand digital cranes and flew across the screen in high-definition—quality that shouldn't have been possible on a Pentium 4 processor.

Windows Movie Maker 2012, with or without the activation key "9950," is a decent video editing software for basic tasks. However, users should be aware of the potential risks associated with using unofficial activation keys.