How do I get Realtek HD Audio 5.1 working on Windows 7?

I never got surround sound working perfectly in Windows; the only solution that has ever worked was switching operating systems. I now have Ubuntu and enjoying perfect 5.1 sound now, all my boxes are working.

However I think I managed to get the Realtek high definition audio codecs working in Windows 7 though. But there was a lot of struggling. I had to search a long time till I actually got the Realtek audio interface, this one:

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Just go to this link: http://www.realtek.com.tw/downloads/

Install the audio codecs, after the reboot, go to your configuration screen, choose sound, and the audio manager should be integrated in a new menu there. I'm not sure about this.

In the speaker tab, you have to check "Speaker fill" to enable the rear speakers.

Fill speakers