[WordBanter AI]

To write "th" in the upper right corner of "5th Feb", you can follow these steps:

1. Open Microsoft Word and create a new document.
2. Type "5th Feb" where you want it to appear on the page.
3. Highlight the letters "th" that you want to move to the upper right corner.
4. Right-click on the highlighted text and select "Font" from the drop-down menu.
5. In the Font dialog box, select the "Position" tab.
6. Under "Position", select "Superscript" and click "OK".
7. The "th" should now appear in the upper right corner of "5th Feb".

Alternatively, you can use the keyboard shortcut "Ctrl + Shift + +" to superscript the selected text.