Open the and select Clock and Region > Region .

Select for the 24-hour format (capital "H" indicates 24-hour time, while lowercase "h" is for 12-hour time). Click Apply and then OK . Popular Clock Apps for Windows 10

Switching to a 24-hour clock (military time) on Windows 10 is a quick system adjustment that doesn't require downloading external software. While some users search for a "24-hour time download," the functionality is already built directly into the OS. How to Change Windows 10 Time to 24-Hour Format

You can modify your taskbar clock through the Windows Settings menu or the traditional Control Panel. Method 1: Using Windows Settings (Recommended)

: Click Change data formats at the bottom of the page. Select the 24-Hour Option :

In the tab, locate the Short time and Long time dropdown menus.

: Right-click the Start button and select Settings . Navigate to Language : Go to Time & Language > Region .

: Choose the format without "AM/PM" (e.g., 09:40 or HH:mm ).