在 Windows 8.1 或 Windows RT 8.1 中查找操作系统信息. 要查找设备运行的 Windows 版本，请按 Windows 徽标键 键 + R，并在“打开”框中键入“winver”，然后选择“确定”。. 如果你的设备运行的是 Windows 8.1 或 Windows RT 8.1，那么有关详细信息，可以参阅以下内容：

注意: 如果没有看到列出 Office，则你的计划可能不包含 Office 应用程序。 或者你没有安装这些应用程序所需的许可证。 如果未列出 Office ，请让你的 Microsoft 365 管理员为你分配许可证。

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

Note: The Wireless Display app is available on devices running Windows 11 version 22H2 and newer.If you're running an earlier version of Windows, launch the Connect app by entering connect in the search box on the taskbar, and selecting Connect in the list of results. To find out which version of Windows you're running, see Which version of Windows operating system am I running?

从授权零售商处购买 Windows 11 的盒装副本. 产品密钥. 可在 Windows 11 包装盒内的标签上找到产品密钥。 从授权零售商处购买 Windows 11 的数字副本. 产品密钥. 可在购买 Windows 11 后收到的确认电子邮件中或在可通过零售商的网站访问的数字保险箱中找到产品密钥。

Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.

To create the installation media, here's what you'll need: A PC with a reliable internet connection. The download time will vary, depending on your internet connection.

How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.

即使關閉應用程式或鎖定裝置，鬧鐘與計時器仍會運作。 如果您看到通知只有在裝置處於喚醒狀態時才會顯示的警告，請確定您的裝置未進入睡眠狀態 (移至 [開始] > [設定] > [系統] > [電源] & 睡眠 以調整裝置的睡眠設定) 。

Notas: Tu contraseña de Hotmail o Outlook.com es la misma que la contraseña de tu cuenta de Microsoft. Si puedes iniciar sesión pero tienes problemas con Outlook.com, comprueba el estado del servicio.Si el estado no se muestra de color verde, espera a que el servicio funcione con normalidad y vuelve a intentarlo.