In this video tutorial, viewers learn how to easily preview content by improving Quick Look on a Mac OS X computer. Quick Look allows users to preview files without having to open it. This video reveals a plug-in that enhances the abilities of Quick Look. Download the plug-in and extract the files into the Library/Quick Look folder. Then right-click on Finder and select Relaunch. Now users will be able to see all the contents of a folder just by pressing the space bar. This video will benefit those viewers who use a Mac OS X computer, and would like to learn how to easily preview folders to save time when browsing through their files.