Keep in mind that while QuickTime can still be used on Windows 10, it's no longer officially supported by Apple, and you may encounter compatibility issues or security vulnerabilities.
Although Apple no longer supports QuickTime on Windows, you can still download and install it on Windows 10. However, please be aware that the latest version available for Windows is QuickTime 7.79, which was released in 2016. quicktime windows 10
The most important thing to understand is that QuickTime for Windows is "end-of-life" software. Because Apple no longer provides security updates, the software contains known vulnerabilities that could allow hackers to gain control of your system. The Department of Homeland Security issued a formal recommendation years ago suggesting that Windows users uninstall QuickTime to mitigate these risks. Keep in mind that while QuickTime can still