Note: If you have previous activity history stored in the cloud before Windows 11 23H2 and 22H2, January 23, 2024-KB5034204 update, you can use the Clear activity history button to delete previously stored data in the cloud. Otherwise, your activity history will be automatically deleted within 30 days from when your data was last synced to the cloud

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.. To contact us in Outlook.com, you'll need to sign in.

Experience AI-powered browsing with the new Bing built-in. Get comprehensive answers, summarized information, and find inspiration side-by-side in Microsoft Edge.

To add another account to OneDrive on your computer. If you already have a personal OneDrive account set up, you can only add work or school accounts.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

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