How can I upload a video??

I think the only way to upload vídeos is first uploading them in websites like YouTube, and then you can post an URL, because it doesn't say anything like "upload from computer" or anything does it? So I'm guessing you can make an account on YouTube and upload the video there, then copy and paste it's web address to where it says url when uploading it here and that's it. :)

I don't kno too!

well since i have been here since roughly 1865 i can tell you uploading to fanpop WAS possible for a while there...it wasnt used much though so fanpop no longer hosts videos. YOu need to find a site that actually HOSTS the video and then add the url here on fanpop.
make an account with a service like dailymotion or vimeo (you can try youtube but heck youtube IS THE DEVIL...SAY IT WITH ME KIDS youtube IS THE DEVIL)upload your video there and THEN come back to fanpop and add it to the appropriate spot!

HONEY YOU GOTTA LEARN!!!
First, you go to youtube and upload it there.
Next, its going to give you instructions.
Then, you go to www.fanpop.com
Last, YOU UPLOAD IT ON fanpop BUT FOR THE url YOU HAVE TO ENTER THE NAME OF THE VIDEO YOU WANT TO POST.

First you upload it in youtube. You can see the upload button in the left side of the procurar box of YouTube. Well it takes some time. Then watch your video and copy video URL(right click on it and click copy video URL) then paste it wherever you want!
HOPE THIS HELPS.