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 …
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.
Contact Us - Microsoft Support
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Microsoft Support
Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.
All Products - support.microsoft.com
Find out how to get support for Microsoft apps and services.
Microsoft サポート
Microsoft サポートは、Microsoft 製品に関するサポートを提供します。 Microsoft Copilot、Microsoft 365、Windows 11、Surface などのハウツー記事、ビデオ、トレーニングを検索し …
Download and install or reinstall Office 2021, Office 2019, or Office ...
Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.
Windows 10 support has ended on October 14, 2025 - Microsoft …
Oct 14, 2025 · Windows 10 support ends on October 14, 2025. Upgrade to Windows 11 now to ensure continued security and feature updates. Learn more about the transition.
Microsoft 365 help & learning
Get support, help, and learning resources for Microsoft 365. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.