How to type the upper corner of the word document (that is, the comments in classical Chinese)?

For example, the input method of the corner mark on the circled number above:

I. Enter the circled number.

1. Position the cursor where you want to insert the upper corner marker;

2. click insert-> symbol-> other symbols, as shown in figure;

3. The symbol dialog box pops up, and you can insert the symbol as shown in the figure.

Second, set it to superscript.

1, select the circled number;

2. Click the superscript button on the Start tab (or press Ctrl+Shift+= key combination), as shown in the figure.