Insert a Screenshot
PowerPoint 2016 includes a tool on the Insert menu which allows you to add a screen shot from any other window that you currently have open.
If you click on the option for 'Screen Clipping' you be given the option to click, drag and copy of particular section of a window . ..
The tool also lets you add a hyperlink to any active web pages (so long as it's open in IE), which can then be accessed in presentation mode.