You can also use Facebook to upload and share short videos. Remember, you can only upload videos that you or a friend created.
To Upload a Video: Videos are added the same exact way you add pictures.from the same tool bar on your profile.
Or go to your Photo album and add pics / videos
If this is your first time uploading a video, you'll be asked to agree to the Terms of Service. These remind you to only upload videos made by you or your friends. Click Agree.
As your video is uploading, you'll have the chance to enter information about the video. You can
also change the privacy settings. You can make the video viewable to Everyone on Facebook, Friends of Friends (your friends, as well as their own friends), or your Friends Only.
You can also Customize the video settings to further limit the people who may view it. When you have finished entering information for your video, click Save Info. Your video will be uploaded and posted to your Wall.
"Facebook Tips: Sharing Videos "
Reference : facebook101tipstricks.com