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了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Get answers to common questions about Windows 11 and Windows 10 in S mode.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

Learn what you can do if you're not receiving account aign-in verification codes.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

When you use InPrivate tabs or windows, your browsing data isn't saved on your PC once you're done.