Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Learn different ways to locate your BitLocker recovery key in Windows, and learn about how BitLocker might have been activated on your system.

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

创建适用于 Windows 的安装介质. Windows 10 Windows 8.1 Windows 7. 你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。. 要创建安装介质，请转到 软件下载网站 ，你可以在这里找到分步说明。. 在该网站上，你可以选择 Windows 版本 ...

Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.

Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now. For help uninstalling these apps, follow the instructions to uninstall from ...

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

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.