Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate. Online: When you begin activation ...

Add an email address. Go to Add an alias. Sign in to your Microsoft account, if prompted. Under Add an alias, do one of the following: Create a new Outlook.com email address and add it as an alias. Add an existing email address as an alias. Select Add alias.

分享 Xbox Game Pass 订阅. 为你或你的孩子更新 Xbox 订阅. 确保你的 Xbox 数字订阅适用于你所在的国家或地区. 打开 Xbox 订阅的定期计费. 获取用于 Xbox 的 EA Play 的帮助.

Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.

Tips: While signing in, select Yes at the "Stay signed in?" prompt if you want to go straight to your mailbox next time (not recommended for shared computers). Alternatively, check the "Don't show this again" box and select No to be prompted for your password each time.. If you can't sign in, or have forgotten your username or password, use our sign-in troubleshooter.

先决条件 电脑在恢复分区中必须有 250 MB 的可用空间才能成功应用此更新。 重启信息 应用此更新后，无需重启设备。 验证此更新的安装 若要验证此更新的安装，请使用 DISM /Get-Packages 确保 WinRE 上存在安全 OS 动态更新程序包。 有关详细信息，请参阅 检查 WinRE 映像版本。

Notes: If you're using the desktop version of PowerPoint on a Windows PC, see the PowerPoint Quick Start.. If you're using the desktop version of PowerPoint on a Mac, see Office for Mac Quick Start Guides and PowerPoint for Mac Help.

通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...

Help with BitLocker. Finding product keys for Windows and Office. Other support. Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.