First you have to start your Xbox 360 game on Xbox One as it is starting up you press the menu button and the two boxes button at the same time this will bring up your Xbox 360 menu. It should show you this screen. After that you should be able to scroll down to where it says manage storage. Hit a on manage storage.
Older Xbox 360 Systems . Xbox 360 systems are more difficult to find these days, and you'll likely only find used models. Older Xbox 360 hardware had quite a few issues that led to breakdowns. Before buying a used system, always check the manufacturer date, which you can see on the back of every Xbox 360 console. The more recent, the better.
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