This question was asked in 2012. I know that the solution is in upcoming version of OS X (fall 2015), but until then... is there any similar internal function to arrange windows in Windows-OS-like way? It is hard to believe there are not...
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This will be a new feature for the next OS X release: El Capitan
So I would suggest: wait for El Capitan :)
There's also the Spectacle app if you don't want to pay. It works pretty well, and you get a lot more out of it apart from just arranging windows side by side - you also get different sizes, and ease of moving between different monitors.