Although Blender is very powerful and has a lot of features, it's easy to get started using it. Blender has a default scene all set up for you to render.
First, start your copy of Blender. You can either click on the Blender.exe icon in the directory that you have installed it in, or use a shortcut if you have created one. Blender will even run from a data stick, so you don't need to have it installed on a particular computer.
When you've started it, you should see something like the following screen, but you will also see a splash screen (depending on the version of Blender installed), consisting of an attractive image made in Blender and some links.
Move the mouse over the big central window. ...