Most of the functionality originally found in QuickTime Pro is now available for free in other applications:
Ensure you have installed (it is separate from the modern QuickTime Player). buy quicktime pro
If you previously purchased a license and need to re-activate it on an older system: Most of the functionality originally found in QuickTime
A popular cross-platform alternative that handles almost any file format and offers advanced playback and conversion tools. Apple discontinued support for QuickTime 7 (the version
As of early 2026, directly from Apple. Apple discontinued support for QuickTime 7 (the version that used the "Pro" keys) several years ago and no longer sells registration codes.
Are you trying to perform a (like converting a file or recording your screen) that you used to do with QuickTime Pro? QuickTime Pro 7 - Technical Specifications - Apple Support