Most PCs currently use a Microsoft operating system.

绝大多数计算机目前都在使用微软的操作系统。

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To uninstall software from a Microsoft operating system, usually in frustration.

通常因为软件用得很郁闷，在微软操作系统下卸载掉。

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Most computers are sold with the Microsoft operating system pre-installed. That annoys many users.

大多数电脑出售时便预先安装了微软操作系统，此举引起许多用户的不满。

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One big announcement this year involved the British company ARM and the Microsoft Windows operating system.

VOA: special.2011.01.10

Microsoft had written a Nvidia compiler into Visual Studio and the Microsoft operating system has proven popular for GPU developers.

FORBES: Supercomputing and High Performance See Growing GPU Adoption

Dreamcast will also ship with a Microsoft operating system: Windows CE.

FORBES: WebCE

For those who prefer the open source route, installing a Linux distribution (like Ubuntu, SUSE, or Mint) alongside a Microsoft operating system or even standalone on a Windows PC has been fairly painless.

FORBES: Gamers Now Able To Install Linux On Windows 8 PCs, And That's Great News For Valve