iScreensaver 6 iScreensaver makes screensavers for both Macintosh and Windows using Image, Movie, Video (MP4/H.264), Live Photo, and 3D Model (GLB) files. iScreensaver Designer is truly cross-platform : edit on either Windows or Macintosh, and either version will create screen savers for both platforms. Create once! Distribute across Windows 7, 8, 10, and 11, and macOS 10.11 (El Capitan) through 1