Scroll to the bottom and look to the right hand menu for a block called Administrator Tools
Click on Comments Approval Queue
Click the edit link next to the comment
Click the Administration link to expand the administration block
Select published and scroll to the bottom and press Post Comment
Notes and hints
You may bulk publish comments that you feel are safe by clicking the check boxes next to each comment in the comment approval queue and then selecting Publish Selected Comments from the drop down list and pressing Update.
Download the video file to play on your computer by right clicking the following link and selecting save file as
How to approve comments video. Try to remember where you save the video! The My Videos folder inside My Documents would be a good place.