I burned the image to a dvd and I get to the install screen but it doesn't ask me about installing beside windows. My only choices are to delete windows and loose everything or "Something Else".
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Yes-go for this manuals
it s usefull cause by defalt ubuntu take all hard space you have but dedicated /home gives you an opportunity to reinstall ubuntu without having to delete files everytime
This can happen sometimes and I also experienced it before. (I have a bad habit of reinstalling every 2-3 months). This happens because Ubuntu installer couldn't find a good way to give you an option for install beside Windows. But, that doesn't mean you can't install Ubuntu retaining Windows.
Select Something else and try using manual partitioning. I suggest to resize a big partition first to create some free space. And then creating two partition in that free space. Use one for
/ and another for swap space.
Take a look at these pages for more help.