Using Microsoft Print to PDF

Microsoft Print to PDF is only available in Windows 10.

Open your original document and select Print command in File menu of your application to bring up Print dialog box.
Then select Microsoft Print to PDF as the printer and click Print.
You will get a Save Print Output As dialog box prompted for saving created PDF file.
Select a folder to save in, enter a file name, then click on Save.
Go to that folder to find your PDF file.