Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.

提示: 登入時，如果您下次想要直接移至信箱，請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。 或者，選取 [不要再顯示這個] 方塊，然後選取 [否]，這樣每次都會提示您輸入密碼。. 如果您無法登入或忘記您的使用者名稱或密碼，請使用我們的 [登入疑難排解員]。

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

优化驱动器可帮助你的电脑运行更流畅，启动速度更快。 若要对它们进行优化： 选择任务栏上的搜索栏并输入 碎片整理。

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Learn how to access Microsoft Store on Windows by selecting the icon on the taskbar or using the search box.

若要切换正在使用的键盘布局，请按住 Windows 键，然后重复按 空格键 以循环浏览所有已安装的键盘。 （如果此操作无效，说明仅安装了一种键盘。） 还可以在任务栏中选择语言缩写，然后选择要使用的语言或输入法。

Press the Start button on the taskbar, type settings, and then select Settings.; On Windows 10, select Update & Security.On Windows 11, select Windows Update.; On the Windows Update page, select Check for updates to see if any updates are available for your device.; Once the updates have downloaded, select Install now to start the installation.; Following installation, we recommend that you ...

A family group is a set of individuals connected through the Microsoft Family Safety app on their Windows, Xbox, or mobile devices. Establishing a family group is an easy, effective way to encourage healthy online habits and manage busy schedules.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.