Using a generated key violates the software's license agreement and is considered illegal. Reliability:
You will likely find websites offering "free" activation codes or key generators. Avoid these. Security Risk: Ulead Video Studio 11 Plus Activation Code
If the software is still installed on an old PC, the key may be stored in your registry at: Using a generated key violates the software's license
Since Corel (which bought Ulead) stopped updating the original VideoStudio line around 2022, you might consider these more stable options: Corel VideoStudio Pro/Ultimate: Ulead Video Studio 11 Plus Activation Code