Some installations or settings changes require you to restart your computer. In most cases you don't need to actually reboot it, you only need to restart the explorer.exe process.
You created your own movie in iMovie but you can't figure it out how to save the darn thing into a playable .mp4 file on your hard drive. I've been there, let me show you how to do that.
The new version of the popular text editor also offers a very simple adding online videos in the document. I will show you how to add online video in Microsoft Word 2013 document.