若要在 Outlook.com 中获取支持，请单击此处或选择菜单栏上的帮助，然后输入查询。如果自助服务无法解决问题，请向下滚动到“仍需要帮助？”，然后选择“是”。 若要在 Outlook.com 中联系我们，需要登录。 如果无法登录，请单击 此处。 若要获取其他有关 Microsoft 帐户和订阅的帮助，请访问 帐户和 ...

本文介绍安装 Windows 11 的方法。 注意: 若要升级到 Windows 11，设备必须满足 Windows 11 的最低系统要求。 某些 Windows 10 的功能在 Windows 11 中并不适用。 体验某些 Windows 11 功能和应用程序的系统要求将超过 Windows 11 的最低系统要求。 查找 Windows 11 规范、功能和计算机要求. 开始之前. 确保要安装 Windows 11 的设备满足 最低系统要求 。 如果设备当前正在运行 Windows 10，建议使用 电脑健康状况检查应用 验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。 有关详细信息，请参阅 在不符合最低系统要求的电脑上安装 Windows 11 。

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.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

Microsoft 365 is a cloud-based productivity platform that offers a set of tools and services for small businesses, including email, calendar, word processing, spreadsheet, and presentation tools, as well as cloud storage and collaboration tools.

Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver.

Perform a search in the address bar using the search engine you want to set as your default. Select Settings and more > Settings . Select Privacy, search, and services. Scroll all the way down to the Services section and select Address bar and search. Choose your preferred search engine from the Search engine used in the address bar menu.

To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...

Find your Office product key. Office 365 Office 2019 Office 2016 Office 2013. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.