尚未运行 Windows 11？ 请参阅激活 Windows或激活 Windows 7 或 Windows 8.1。. 尝试“激活疑难解答” 如果运行的是 Windows 11，并且最近更换了重要的硬件（如更换主板）或重新安装了 Windows，则“激活疑难解答”有可能帮助重新激活 Windows。

了解如何修复错误“抱歉，您的 Microsoft 帐户出现问题”，以便可以登录 Xbox 网络。

名称. 版本. KB. 拱门。 语言. 版次.NET 版本 大小. 自定义. Windows 10 专业版，版本 1809. 17763.2237.211007-0715. 累积 KB 5006672.NET KB 5004335. SetupDU KB 5005545. SSU KB - 在 LCU 中

The information below doesn't apply to these Office versions or Microsoft 365 subscriptions. Microsoft personal account Work or school account On the Microsoft account dashboard, select Services & subscriptions to view all Microsoft products associated with this account.

No. The codes don't require you to be on the internet or connected to data, so you don't need phone service to sign in. Additionally, because the app stops running as soon as you close it, it won't drain your battery. Sign in responses. Yes. To get sign in notifications and to send your response your device needs to be connected to the internet.

注意: 如果使用 Microsoft 帐户 （例如 Outlook.com 、Hotmail、Live 或 MSN 电子邮件帐户）而不是工作或学校帐户登录，请注销，然后使用正确的帐户重新登录。 不确定使用哪个帐户登录？ 在 Outlook 导航标头中选择 “帐户管理员 ”。 如果未使用所需帐户登录，请选择“ 注销 ”并重新开始该过程，或选择 ...

Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

You can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (-), asterisk (*), or forward slash (/) signs.The following is an example of a simple formula.

If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history.On the Order history page, find your order and then look under Status.. Open Rewards dashboard