Currently, if you buy a computer from Dell or HP or any other vendors and choose to have 4GB of RAM or more, the computer will come with Windows Vista 64-bit.

眼下，如果你选用的是戴尔或惠普公司超过4GB内存的机型，那么他们会随机安装Vista64位操作系统。

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At the same time, computer makers such as Dell and HP have been exploiting clauses in the licensing terms that let them rollback machines with Vista pre-installed to the older operating system.

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