Quicktime-7-pro-registration-keys-full-version-download -

QuickTime 7 Pro is a legacy application that is no longer supported or sold by Apple. While you might see "full version download" or "registration key" offers online, these are often associated with outdated or unsecure software distributions. Current Status of QuickTime 7 Pro

For users on older systems (Mac OS X v10.5 or Windows Vista/7), the Pro version offered:

Ability to create H.264 video, cut/copy/paste editing, and save movies from the web (where allowed).

Historically, QuickTime 7 Pro was unlocked by purchasing a 20-digit registration code from Apple. Since Apple no longer sells these codes, modern "full version" downloads are typically unofficial. Key Features of the Legacy Pro Version

Are you trying to or just looking for a free video editor ? Download QuickTime 7.7.9 for Windows - Apple Support

Apple discontinued support for the Windows version in 2016 due to critical security vulnerabilities that will never be patched.