What type of computer are you using? That will help with suggestions. If you have a movie, iMovie is pretty straight forward and easy to use for a beginner. And I hear Windows has Microsoft Movie Maker.
Personally I use Final Cut Pro and Adobe After Effects, but I also edit video professionally. So my needs are much different than yours.
If you let us know what you're trying to accomplish with your edits, again that would help with suggestions.
If you're going to make videos for your own personal enjoyment and sharing on YouTube, then I say go with the free options of iMovie or Microsoft Movie Maker.
If you want to pay for software and learn something a bit more straight forward than professional level stuff, I say buy a copy of Adobe Premiere. The latest version is almost professional grade.