How to tell what version of QuickTime is on the computer
Visit the System information tool to see what version of the QuickTime plugin is detected on your computer and the latest version of QuickTime available for your operating system.
You can also follow the steps below to determine the version of QuickTime Player is installed on your computer.
- Open the QuickTime Player application.
- In the file menu, click Help.
- In the Help menu, select About QuickTime Player.
The version of QuickTime is shown in the About QuickTime window.