To insert a trademark symbol ™ in the current document, you can open the Symbol dialog box in Microsoft Word. To do this, follow these steps:
Place the cursor where you want to insert the trademark symbol.
Click on the "Insert" tab in the ribbon at the top of the screen.
Click on the "Symbol" button in the "Symbols" group.
Select "More Symbols" from the drop-down menu.
In the "Symbol" dialog box, select "Unicode (hex)" from the "From" drop-down menu.
Type "2122" in the "Character code" box.
Select "Unicode (hex)" from the "Subset" drop-down menu.
Click on the "Insert" button to insert the trademark symbol into your document.
Alternatively, you can type the letters "TM" as normal text and then format them as superscript by selecting them and clicking on the "Superscript" button in the "Font" group on the "Home" tab.