The easiest and fastest solution is to upload the video on youtube and then embed it to your website.
Eg:
> Upload the video to youtube.
> Select share tab from the page.
> Now another tab named'Embed' appears. When you select that, you will get the code which you can use on your web page. something like
<iframe width="560" height="315" src="http://www.youtube.com/embed/cp6yM6M7ips" frameborder="0" allowfullscreen=""></iframe>
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