1. Select the check box as follows: Right-click the computer desktop and select New. Click "Text Document" and enter the pinyin of "Dui". Locate the check box, and then click Check Box.

2. "√" is called "checkmark", and "tick" means it is completely correct when reading. This symbol was not imported from abroad, but was born and raised in China, and was widely used in ancient and even modern social life. "√" is used in official, folk and ancient and modern times, and it is a symbol with high usage rate.