Tools: S3 Professional Edition of Mechanical Revolution, Windows 10, Word 202 12 108.
1. Method 1: Open the WORD document and click "Insert" on the menu bar.
2. Click "Symbol" in the upper right corner and select "Other Symbols" from the drop-down list.
3. The symbol window pops up, click on the subset, select "Number Form", and drop down to find Roman numerals.
4. Select Roman numerals, and then click Insert to print the corresponding Roman numerals in the document.
5. Method 2: Open the WORD document, click any letter key on the keyboard to pop up the typing candidate box, and click the "Expression" icon.
6. The list of symbols attached to the input method pops up, click the Symbol tab, find the Roman numeral symbol, and then click.
7. Type Roman numeral symbols in the document.