Latex -Lyx -Sweave- Pdf

Lyx (GUI for Latex)

http://wiki.lyx.org/LyX/LyxWithRThroughSweave ( A work of art  in progress!)

http://wiki.lyx.org/LyX/LyX

PDF

http://www.adobe.com/in/products/acrobatpro.html

Latex

MikTex

http://miktex.org/2.9/setup

You use the MiKTeX Net Installer to download all MiKTeX packages and install a complete MiKTeX system. See the section Installing MiKTeX in the MiKTeX manual, for more information.

MiKTeX 2.9 Net Installer
Size: 5.51 MB