要使用 Internet 连接激活 Windows 11，请： 由于 Windows 11 将在用户连接到 Internet 时自动激活，因此可通过选择“开始” >“设置” >“更新和安全” >“激活”，并在“Windows”下面查看来确认激活状态。 如果联机激活失败，请首先尝试 激活 Windows 中的激活疑难解答。. 要通过电话激活 Windows 11，请：

PMT, one of the financial functions, calculates the payment for a loan based on constant payments and a constant interest rate.. Use the Excel Formula Coach to figure out a monthly loan payment. At the same time, you'll learn how to use the PMT function in a formula. Syntax. PMT(rate, nper, pv, [fv], [type])

Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.

该验证方法目前不起作用：有时块可能绑定到你正在使用的验证方法。尝试使用连接到帐户的其他验证方法。 例如，如果使用短信验证自己并遇到阻止，请尝试使用连接到帐户的备用电子邮件来接收授权代码。

The camera roll on your device only uploads to OneDrive - it does not sync photos both ways. That means you can delete uploaded photos and videos from your device, and the copies in OneDrive won't be affected.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Add participants to an existing group chat. You may only add external access participants to existing or ongoing chats that already include at least one external access participant.

Last updated: February 2024. For previous versions, please see the archives here. Our Approach to Search. We recognize that in our technology-driven world, search engines are in many ways the gateway to the internet and the primary way people find the content they are looking for amongst the trillions of ever-changing webpages available online.

First time, infrequent senders, or senders marked [External] - While it's not unusual to receive an email or Teams message from someone for the first time, especially if they are outside your organization, this can be a sign of phishing.Slow down and take extra care at these times. When you get an email or a Teams message from somebody you don't recognize, or that Outlook or Teams identifies ...

Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox).