The Cygwin setup.exe file installs the software anew and is re-used any time you want to add, change, or upgrade components of your Cygwin configuration.

Cygwin setup . exe文件可以重新安装软件，可以添加、修改或升级Cygwin配置的组件。

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When you upgrade the applications and operating systems on your servers, you upgrade all the components for all users in one effort.

当您升级服务器上的应用程序和操作系统时，您可以一次性为所有用户更新所有组件。

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Upgrade to the infrastructure components or OS.

升级基础设施组件和操作系统。

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Obviously, you can upgrade every one of these components to get a better machine.

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