Is QuickTime a Microsoft?
You can find versions of Quicktime for Windows that are now multiple years old on the Apple website, they might work on Windows 10 but it’s at your own risk. Note: This is a non-Microsoft website.
Will QuickTime work on Windows 10?
Apple QuickTime is not officially available for Windows 10, as Apple stopped support for Windows back in January 2016. While QuickTime is not supported officially anymore, it is still possible to install QuickTime on devices running Windows 10 or older versions of Windows.