Microsoft combines the latest servicing stack update (ssu) for your operating system with the latest cumulative update (lcu). Find help with microsoft store purchases, subscriptions, refunds, payment options, and checking your order history. Find how to set up microsoft account, protect it, and use it to manage your services and subscriptions.
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Learn how to install, reinstall, or activate microsoft 365 or office 2024 on a pc or mac.
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 for the account you use with microsoft. Find out how to get support for microsoft apps and services. Every edition, we highlight new features and enhancements. Learn how to get microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your microsoft account dashboard.
Learn how to sign in to office or microsoft 365 from a desktop application or your web browser. Welcome to the special edition of what's new in microsoft 365 copilot for both november and december 2025!
