Free TrialMoom 4.1.3 requires macOS 10.13 High Sierra or newer. What's new? For the nostalgically inclined, older versions are here. With its wide variety of window management tools, Moom makes moving and resizing windows fast, easy, and if you're as geeky as we are, even fun. Scroll down to learn more and see all the main features in action. Powerful Pop-Up Palette Hover the mouse over any window