Learn how to access SharePoint, a browser-based app for online collaboration and document management, through your web browser. Find out how to check your subscription, troubleshoot issues, and get training for SharePoint.

Learn how to locate your downloaded files on your PC using File Explorer or your browser settings. Follow the steps to access your Downloads folder under Quick access or This PC.

Learn how to get a refund for digital game products purchased on Xbox consoles, PC, or mobile devices. Find out the eligibility criteria, guidelines, and resources for refund requests.

Learn how to troubleshoot common printer issues in Windows 11, 10, 8.1 and 7. Follow the steps to check cables, wireless connection, driver, spooler, and status of your printer device.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

Learn how to show hidden files, folders, and drives in Windows 11 and Windows 10. Follow the simple steps to open File Explorer and select View > Show > Hidden items.

Learn how to install and verify Update Health Tools, a component that helps improve Windows Update performance and security. This update is available for Windows 10 and Windows 11 devices through Windows Update or Microsoft Download Center.

Learn about the latest updates for Windows 11, version 21H2, released on 10/4/2021. Find out what's new, how to install, and any known issues for this version of Windows 11.

Find out if your PC can run Windows 11 by checking the basic and additional requirements for specific features. Learn how to check your PC's specs and get help from Microsoft.

注意: 如果使用 Microsoft 帐户 （例如 Outlook.com 、Hotmail、Live 或 MSN 电子邮件帐户）而不是工作或学校帐户登录，请注销，然后使用正确的帐户重新登录。 不确定使用哪个帐户登录？ 在 Outlook 导航标头中选择 “帐户管理员 ”。 如果未使用所需帐户登录，请选择“ 注销 ”并重新开始该过程，或选择 ...