May 17, · Description. Ultra Screen Recorder - Your perfect screen and webcam recorder for making video tutorials, product demos, sharing gaming experience & more. Even better, it's a free and open source software. *** Note: this app does not support Windows 10 in S mode and you need to switch out of S mode in order to use it. Download this app from Microsoft Store for Windows 10, Windows 10 Mobile, Windows 10 Team (Surface Hub), HoloLens, Xbox One. See screenshots, read the latest customer reviews, and compare ratings for Free Screen Recorder.