In the past few years, we have seen plenty examples of old operating systems running on iOS devices. Hacking Jules has shared a new video that shows the latest version of Windows 10 ARM on an 11″ iPad Pro (2020). It was done using UTM, which is a virtual machine host for iOS.
According to the above video, the normal boot time is about 5 minutes, so you won’t get the absolute fastest experience running Windows on these iPads. You can find out more about it here.