End of support for Cortana - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Install Windows 7 Service Pack 1 (SP1) - Microsoft Support
Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.
激活 Office - Microsoft 支持
如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 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 for home, Office for business, Office.com, Project for Office 365
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Introducing Microsoft Teams (free) - Microsoft Support
Learn how to connect with your family and friends outside of the office, with new features in Microsoft Teams (free), available on mobile and desktop.
Applies To:
Microsoft Teams, Microsoft Teams personal
Stay safe with a genuine Office license - Microsoft Support
Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.
Applies To:
Office 2019
Sign in to sync Microsoft Edge across devices
With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.
Use Microsoft Teams on the web - Microsoft Support
The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.
Applies To:
Microsoft Teams
Use Microsoft Translator in Microsoft Edge browser
Learn how to use Microsoft Translator in the Edge browser to translate webpages.
Applies To:
Microsoft Edge
在 Windows 中通过蓝牙发送文件 - Microsoft 支持
使用 Windows 中的“设置”应用通过蓝牙发送文件。