As a way to sign every time, by using a one-time password code to increase account security. This is called two-step verification or multi-factor authentication.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

Add people from your address book or contacts list, and choose OK.To select multiple people, hold down the Ctrl key as you choose members.

Das Portal "Mein Konto" hilft Ihnen bei der Verwaltung Ihres Geschäfts-, Schul- oder Unikontos, indem Sie Ihre Sicherheitsinformationen einrichten und verwalten, Ihre verbundenen Organisationen und Geräte verwalten oder anzeigen, wie Ihre organization Ihre Daten verwendet.. Um sich bei Ihrem Geschäfts-, Schul- oder Unikonto anzumelden, wechseln Sie zu myaccount.microsoft.com oder wählen ...

Windows 允许添加多个用户帐户以使用同一设备，使每个用户都有自己的设置、文档和应用程序。 例如，家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件，而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。

If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.

Follow the procedure in the Set up access to your company resources article to enroll your iOS phone or tablet. Important: Once you begin the enrollment process, you should complete the process in its entirety since pausing for more than a few minutes usually stops your progress and requires you to start over.If this process should fail, you need to return to the Company Portal app to try again.

Choose the mobile app. Open a browser on your computer and go to portal.office.com.Sign in to your Office 365 for business account.

中国的身份验证方法. 中国仅提供有限的身份验证方法。 用户可以将 Authenticator 设置为在其设备上接收可用于验证其身份的验证码，而不是使用推送通知进行双重验证。