Disney/PIXAR -- Monsters, Inc. Activity Center Close Instructions: Windows Click "Widnows" below. Select "save as..." from the download options to save the files to your hard drive. To install the screamsaver, double-click on the file. Mac OS Click "Mac OS" below. The screamsaver should download and expand itself. Copy it into your Control Panels folder and restart to make it active. Windows Mac OS Monsters, Inc. Screamsaver