了解有关产品密钥、工作区折扣计划、批量许可证的详细信息. 登录并下载 Microsoft 365. 转到 Microsoft 帐户仪表板， 如果尚未登录，请选择“ 登录 ”。 使用与此 Microsoft 365 版本关联的 Microsoft 帐户登录。 忘记了帐户详细信息？ 请参阅 我忘记了用于 Office 的帐户 。 从“概述”页中选择“ Office 应用 ”，在该页面上找到要安装的 Microsoft 365 产品，然后选择“ 安装 ”。 若要以其他语言安装 Microsoft 365 或安装 64 位版本 ，请使用下拉列表查找更多选项。 选择所需语言和位版本，然后选择“ 安装 ”。 现在你已准备好安装 Microsoft 365。 请在下方选择与你要尝试安装的版本对应的选项卡。

Post questions, follow discussions and share your knowledge in the Outlook.com Community. Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Whether you're writing a letter or calculating numerical data, your keyboard is the main way to enter information into your computer. But did you know you can also use your keyboard to control your computer? Learning a few simple keyboard commands (instructions to your computer) can help you work more efficiently. How the keys are organized.

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解决方案 1：检查 Xbox Live 服务状态. 查看 Xbox 状态页面。. 如果看到任何服务警报，请展开服务，向下滚动到“通知”，然后登录以在服务启动并再次运行时接收消息。. Xbox 状态.

Add or remove a digital signature in Office files. Get a digital ID. Find digital ID or digital signature services. About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Check here for the known game issues that we're currently tracking and find out what you can do about them. If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

Check the Xbox services, games, and apps for any service outages.

Check whether you can sign in to your OneDrive account online. If you can't sign in to your Microsoft personal account, visit Can't sign in to Microsoft account. If you can't sign in to OneDrive work or school account, try to reset your password or alternatively, please contact your organization's IT Admin. 2.