Once installed, your Windows 11 system will "learn" how to decode MOV files, allowing you to play them in the native Windows Media Player apps.
If you prefer using the built-in Windows Media Player or the modern "Media Player" app in Windows 11, but they still won't play your MOV files, you need a system-wide codec pack. download mov codec for windows 11
If your MOV file was recorded on an iPhone or a Mac, you might need Apple's proprietary format support. Once installed, your Windows 11 system will "learn"