How to open all my system files

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http://askubuntu.com – I have been using Windows on my laptop. I had 4 partitions (C, D, E and F). I replaced my Windows with Ubuntu 13.10. I am really NEW to Ubuntu. Now I am having a hard time opening my old Windows partitions or files which are in the D, E and F partitions. I have tried a lot of things, but I couldn't find a way to do it. Please help. (HowTos)