Select File - Import and Export. This will start the "Import and Export" wizard. Select Export and the click on "next." Select Favorites and click on "next." In the next window you can accept the default Save Directory or choose a new one. I suggest you select "Desktop" so you can easily find the file again. Click on "next." Finally, click on "finish" and your Favorites will be saved to disk.
Windows 10 Home vs Windows 10 Pro comparison: Here are the extra features you get in the Pro version