I want to record my desktop screen as vides. Please suggest me some good options?

I want to record my desktop screen as vides. Please suggest me some good options? Can we also record audio along with desktop screen? ANSWER TO THE ABOVE QUESTION You can use VLC media player CAMSTUDIO is also good snagit is another software just google them and try them out. These are all free softwares. I have tried them. they are safe