Sign in to Microsoft 365
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.
Account help - support.microsoft.com
Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.
All Products - support.microsoft.com
Find out how to get support for Microsoft apps and services.
November 11, 2025—KB5068861 (OS Builds 26200.7171 and …
2025年11月11日 · Microsoft combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack …
How to get help in Windows - Microsoft Support
Search for help on the taskbar, use the Tips app, select the Get help link in the Settings app, or go to support.microsoft.com/windows.
Get help with your Microsoft account - Microsoft Support
Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.
What’s New in Microsoft 365 Copilot | November & December 2025 ...
2025年12月17日 · Welcome to the special edition of What's new in Microsoft 365 Copilot for both November and December 2025! Every edition, we highlight new features and enhancements to keep …
New user experience for consumer authentication | Microsoft …
2025年3月26日 · Microsoft is rolling out a new sign in experience for over 1 billion end users. What we learn can help to improve sign-in for all Microsoft customers.
Switching to Microsoft 365 Personal and Family Classic Plans
Starting January 16, 2025, Microsoft 365 Personal and Family plans worldwide will include Microsoft Copilot and Microsoft Designer. As an existing Microsoft 365 Personal and Family subscriber, you …