How to add a calendar and clock to a computer desktop?

The specific steps to add calendars and clocks to the computer desktop are as follows:

The materials we need to prepare are: computers,

1. First, we open the Control Panel in the start menu bar.

2. Then we click "Desktop Gadgets" in the pop-up window.

3. Then we select the desired gadget in the pop-up window, and then right-click to add it, and then we can add the tool to the desktop.