Installing MikTeX and TeXnicCenter
The user has to install MikTeX first so that TeXnicCenter can detect MikTeX automatically and do all the settings by itself.
To install MikteX, click on the following link: MikTeX
To install TeXnicCenter, click on the following link: TeXnicCenter
Installing EnQuireR
To install the EnQuireR package, open R and use the Rgui.
See an animated tutorial here.