Ever get busy working on projects, only to later realize that you have numerous Finder windows open? Has your desktop ever looked like the one at right? Cluttered and confusing, isn’t it? Don’t worry, it happens to the best of us from time to time.
Fortunately, this situation is extremely easy to cure. To combine the Finder windows, go to the menu bar and select Window > Merge All Windows. You will then have one Finder window with several tabs. This trick is particularly helpful when you have Finder windows open on multiple screens.