First you will need to upload your video to youtube.com. Once you have done that:

Step 1

View the video on youtube.com and copy the embed code from the right hand side.

Step 2

Log in to the site wizard editor and edit the page that you want the video to appear on.

Step 3

Find the location on the page where you want the video and type some marker text (e.g. *****).

Step 4

Now switch to the source view by pressing the Source button the bottom row of the tool bars. Then press ctrl and f to bring up the find box. In here type the marker text from before and click find.

Step 5

Delete the marker text and paste in the you tube code by pressing ctrl and v (or command and v, if you are a Mac user).

Step 6

Click save changes. Now view your site to make sure it worked.