Get the latest Windows update - Microsoft Support
Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.
Sum values based on multiple conditions - Microsoft Support
Let's say that you need to sum values with more than one condition, such as the sum of product sales in a specific region. This is a good case for using the SUMIFS function in a formula.. Have a look at this example in which we have two conditions: we want the sum of Meat sales (from column C) in the South region (from column A).. Here’s a formula you can use to acomplish this:
适用于:
Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Change your Microsoft account password - Microsoft Support
If you weren't able to change your password. If you couldn't change your password this way, see Reset your Microsoft account password. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.
适用于:
Microsoft 帐户仪表板
Как найти ключ продукта Windows - Служба поддержки ...
Узнайте, как найти ключ продукта Windows для активации и использовать цифровую лицензию. Если вы приобрели Windows 10 или Windows 11 Pro обновление в приложении Microsoft Store, вы получите цифровую лицензию вместо ключа продукта в ...
适用于:
Microsoft 帐户仪表板
如何登录 MSN - Microsoft 支持
通过使用 Microsoft 帐户登录，新的 MSN 允许您在 MSN 上个性化您的体验。 通过使用 Microsoft 帐户登录，新的 MSN 允许您在 MSN 上个性化您的体验，并在每台设备上为您提供这种体验，包括 MSN 网站和 MSN 应用。
Windows에서 제어판 열기 - Microsoft 지원
제출을 누르면 피드백이 Microsoft 제품과 서비스를 개선하는 데 사용됩니다. IT 관리자는 이 데이터를 수집할 수 있습니다. 개인정보처리방침
Activate Office - Microsoft Support
Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Microsoft 365 管理员, Project for Office 365
Play a CD or DVD in Windows Media Player - Microsoft Support
Note: If you start to play a DVD or VCD in the Player Library, the Player automatically switches to Now Playing mode. The Blu-ray Disc format is not supported in Windows Media Player. To play a Blu-ray Disc, you need to use a non-Microsoft program that supports Blu-ray playback and a device capable of reading Blu-ray Discs.
将 Windows 电脑用作移动热点 - Microsoft 支持
通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。 如果你的电脑具有手机网络数据连接并且共享该连接，它将使用流量套餐数据。
在 Microsoft Edge 中打开 Adobe Flash - Microsoft 支持
了解如何在 Microsoft Edge 中启用 Adobe Flash。 按“提交”即表示你的反馈将用于改进 Microsoft 产品和服务。 你的 IT 管理员将能够收集此数据。