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Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Learn how to install Office 2013 on your PC or Office for Mac 2011.

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Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn how to manage your Microsoft subscription, including billing, renewal, and cancellation options.

For Microsoft 365 Family subscriptions, you can start sharing your subscription, and add or remove people you're already sharing with. AI features are only available to the subscription owner and cannot be shared.