so I just worked this out myself and it's kind of simple ;)

All you need to do is first record some footage so shout at your tv " Xbox Record That"

And it will record whatever you where doing.

The next step is to download upload studio app on your Xbox One.

Find a clip you want to use and chose render and upload to Skydrive.

Once you have uploaded the clip simply head over to [ Register or Signin to view external links. ] and sign in.

Your clip should show up like this.

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Now click it and it will go into the video you just uploaded.

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Simply right click that and press download.

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Once your clip is down loaded you can now do what you want with it like I uploaded mine to YouTube below.



Nice and simple.

Update...

You can currently record up to 5mins of game play and you can record what you want to.

Say Xbox Snap Game DVR, and end the current clip as that will be recording always the past 5mins of what you where doing.

To record something pacific end the clip as stated above and press record new clip your xbox one will now record what you are currently doing for the next five mins