Installing Windows 11 on devices that don't meet minimum system ...
Learn what to do when you see a warning message that your device does not meet Windows 11 minimum system requirements to upgrade.
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline.
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
Microsoft Teams (free) - Microsoft Support
Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To:
Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
Restore deleted files or folders in OneDrive - Microsoft Support
Learn how to delete and restore files in OneDrive. Recover deleted files or folders from the OneDrive recycle bin.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
About Genuine Windows - Microsoft Support
Find answers to common questions about genuine Windows software.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Microsoft Authenticator FAQs - Microsoft Support
This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.
Send feedback to Microsoft with the Feedback Hub app
Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.
Remove specific prevalent malware with Windows Malicious Software ...
Discusses the release of the Malicious Software Removal Tool (MSRT) to help remove specific prevalent malicious software from Windows-based computers.