This sound very basic to some but I am confused here.
I want to install TeXmaker on my PC (Windows Vista). I downloaded the software from http://www.xm1math.net/texmaker/
Now when I try to compile my small example I am getting this :
My question is: why am I getting this? Secondly what is MiKTex?
Can someone please summarize the steps that one needs to do for installing TeXmaker on a Windows machine for the first time?