Answer:
by using the Save As tab
Step-by-step explanation:
When you create a file document on your computer and peradventure you made some changes in the file, you can click on Ctrl+S key to save the document again.
But when you want to save the changes in a document after re-edited with a different title, you use the Save As Tab, on the MS Word page, just click on the icon showing the (office button icon), use will see Save As Tab as an option from the drop down bar. From there you can publish the document with a different title, be it as a PDF or XPS. Word Template, Other Documents e.t.c