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