While there is nothing wrong with the 24-hour format, many users find the 24-hour clock difficult to read and prefer the easy-to-read 12-hour clock. With the default settings, Windows 10 displays a 24-hour clock on both the taskbar and the lock screen. Update: Stop getting error messages and slow down your system with our optimization tool. To change the time in Windows 10 from 24-hour format to 12-hour format.
