folder sharing

hey there, i want to enable a folder on my computer so my daughter can stream to hers, how do i do this easily as i cant find the network password or even how to configure it easily.
Answer #1
will this help at all http://lifehacker.com/5808814/how-to-share-a-folder-over-your-network-for-beginners
Answer #2
assuming you have a home network already , for Win7 Ultimate ,right click the folder , see “Share with ” …follow the menu items …
Answer #3
You could always choose to share folders also through Dropbox.