What do I need to install Overflow? You’ll need a Mac running macOS High Sierra or higher and Sketch v49 or newer if you plan to bring in Sketch designs. Overflow also runs on Windows and integrates with Adobe XD, Figma, and Adobe Photoshop. Related articles How does the free trial work? What is Overflow? What is the Overflow Sketch plugin? What happens when my trial ends? How do I apply a discount coupon?