The steps are as follows

Method 1:

1. First, right-click the mouse to create a new word document.

2. Open the new word document, and then press the Alt Ctrl R key combination.

3. The registered trademark symbol ? will appear. At this time, you can choose to copy ? to the place you want to copy.

Method 2:

1. Open word, click Insert----Symbol----Other symbols;

2. Pop up the symbol dialog box , select the Special Characters tab, and click Register as shown.