First click on “Print” in File menu

After this new window will appear, please click on “Setup” here

When you will click on “Setup” then a new window will appear, From this windows please choose “Microsoft Print to PDF” After choose “Microsoft Print to PDF” hit the OK button.

Once you will click on OK button after choose “Microsoft Print to PDF” then click on “Print” 

When you will click on “Print” button it will ask for directory where do you want to save your project as PDF? Provide the location and click on “Save button”