On the other hand, GIFs are small in size, and sending them via email or posting them on social media networks won't require you to wait for a long time until the file is uploaded to the web. Most screen recorders create MP4 or MOV files that can get quite large, making them hard to send or easily distribute over the Internet. Screencasting on any version of Windows 7/8/10 is a simple task, and countless software products enable you to record your desktop activities.