Manage your Microsoft 365 subscription or Office product
You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts.
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, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows
Record a presentation - Microsoft Support
Training: In Microsoft PowerPoint, you can record your presentation, narration, and animation timings to give it a professional and polished feel. Watch this video to learn how.
适用于:
Microsoft 365 专属 PowerPoint, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Personalize your lock screen - Microsoft Support
Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.
How to use your Surface Pen - Microsoft Support
Learn to set up and use your Surface Pen to work, play, and create.
Change screen orientation - Microsoft Support
Use the Settings app in Windows to change screen orientation.
查找并锁定丢失的 Windows 设备 - Microsoft 支持
“查找我的设备”是一项功能，可帮助你在设备丢失或被盗时找到Windows 10或Windows 11设备。 要使用此功能，请使用 Microsoft 帐户登录设备并确保你是设备管理员。
适用于:
Microsoft 帐户仪表板
Check your device performance and health in Windows Security
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
如何使用電腦健康情況檢查應用程式 - Microsoft 支援服務
如何開啟 [電腦健康情況檢查] 在 Windows 中，使用工作列上的 [搜尋] 來搜尋 [電腦健康情況檢查]，然後從結果清單中選取。 如果有可用的 [電腦健康情況檢查] 更新，您可以快速安裝最新版本。
Baixe e instale ou reinstale o Microsoft 365 ou o Office 2021 em um ...
Saiba como instalar, reinstalar ou ativar o Microsoft 365 ou o Office 2019 em um PC ou Mac.
适用于:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版, Office.com
修复 Windows 中的以太网连接问题 - Microsoft 支持
有线以太网连接可让你快速建立 Internet 连接 - 将以太网电缆的一端插入家里的路由器，然后将另一端插入 Windows 电脑上的以太网端口。 (如果你的电脑没有以太网端口，但你想要尝试此选项，可以考虑获取 USB 到以太网适配器。