The system for upgrading is complicated, but Vista owners can upgrade to the exactly comparable edition of Windows 7 while keeping all files, Settings and programs in place.

升级用的系统很复杂，不过Vista用户可以升级到Windows 7的相应版本，同时保持所有的文件、设置和程序。

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As this chart illustrates, it's a mess: Only a few upgrade paths qualify for an "in-place upgrade," which means you can keep "files, Settings, and programs intact from your current Windows version."

就图上显示，它非常糟糕：只有极少数的升级支持“就地升级(in - place upgrade)”，它意味着，系统将为您保存现有Windows版本下的文件，设置和程序。

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Next, install an upgrade copy of Windows 7 on the computer, choosing Custom rather than upgrade (because Microsoft still believes you cannot actually do an in-place upgrade from XP).

接下来，在电脑上安装Windows 7升级软件，选择“自定义”而不是“升级”(因为微软坚信人们不能从XP进行本地升级)。

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But they have an alternative: Call a cease fire and upgrade what they have: Put in energy-efficient appliances, update that pink-tiled bathroom, and give the place a fresh paintjob.

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