Microsoft combines the latest servicing stack update (ssu) for your operating system with the latest cumulative update (lcu). Learn how to get microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your microsoft account dashboard. For general information about ssus, see servicing stack.
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Every edition, we highlight new features and enhancements to keep microsoft.
Welcome to the special edition of what's new in microsoft 365 copilot for both november and december 2025!
Get help for the account you use with microsoft. 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. Learn how to install, reinstall, or activate microsoft 365 or office 2024 on a pc or mac. Find out how to get support for microsoft apps and services.
Get support for windows and learn about installation, updates, privacy, security and more. Find help with microsoft store purchases, subscriptions, refunds, payment options, and checking your order history.
