Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

For an app that lets you manage the background activity, select More options (three vertical dots) > Manage background activity.

Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.

Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

That verification method isn’t working right now: Sometimes the block may be tied to the verification method you are using.Try using another verification method connected to your account. For example, if you are using SMS to verify yourself and are hitting a block, try using an alternate email that is connected to the account to receive your authorization code.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.