There are not many high quality or even good free video editing tools. Free programs lack at features and options in comparison with paid ones. So, these tools are good for basic editing operations.
VideoPad by NCH is free for non commercial use and has many options in a classic interface. Windows Movie Maker is included in Windows Live Essential tools (a free package that needs installation) and has a decent interface and a number of options to make some good edits; also, there are a lot of online tutorials.
This page compares only free tools, to view a comparison between all programs and read more about what thing to consider, then go to this page.
Most video editing programs, including the good ones, are not very easy to use. You have to go through a few online tutorials if you are a beginner in video editing.
NCH VideoPad Free and Windows Movie Maker are good choices, but if you want to create stunning videos or commercial ones, you have to choose a paid tool.