How complicated do you want to get? You can do simple editing with Microsoft Paint that comes with windows, or go all the way to something like Adobe's Photoshop. Make sure you edit only a copy in case it goes wrong.
windows movie maker is good.
Use an audio editing program.
The best free program to edit audio recordings is Audacity.
I don't remember the name, but it used to be at www.gemtree.com. Edit: I looked it up on there, it is now INCLUDED with the Peter program. I'm not sure if you can get a standalone, I'll look for you. Edit #2: Found an old version online for you :) http://download.freewarefiles.com/files/weapon_closet.zip
To set your YouTube background, go to your channel, then settings, then advanced options, then background image. Choose your image from a file on your computer.
garge band is super easy!
You don't.Microsoft Word is a document processing software program and contains no photo manipulation capabilities.Photoshop is a software program used to edit photographs, not words. It is owned by Adobe.Word and Photoshop are two separate and different products.
plug it into the computer and open it up and edit it. If that doesnt work then u need a special program.
On a Windows computer, MS Paint allows you to edit bitmap, JPEG and GIF images. Photoshop allows you to do this professionally.
No. Photoscape is just for photographs/pictures... not video.
An integrated development environment (IDE).
Use paint.net to edit or merge your photographs together, it's a free program. Download paint.net here: http://www.getpaint.net/download.html