1.Open your text editor, then find the video that you wish to embed on your site and lockup the embed code. Now copy and paste the code into your text editor. If you have you own video, first upload it to a video sharing site like youtube and then copy youe embedded code and paste it.
2.copy embed code from your text editor and paste it into the content body of the content editor
3.Click on “input format” under content editor to see your edition options. select the "Full HTML" radio box. And click submit.