Keeping Bing as your default search engine provides an enhanced search experience in the new Microsoft Edge , including direct links to Windows apps, relevant suggestions from your organization if you’re signed in with a work or school account, and instant answers to questions about Windows. However, you can change the default search engine to any site that uses OpenSearch technology.

Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point: Use System Restore

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.

Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System > Display. Select Brightness, look for the Change brightness automatically when lighting changes check box, and then select it to use this feature. This automatic setting helps make sure your screen is readable wherever you go ...

开始之前 确保要安装 Windows 11 的设备满足 最低系统要求 。 如果设备当前正在运行 Windows 10，建议使用 电脑健康状况检查应用 验证最低系统要求。 我们不建议在不符合要求的设备上安装 Windows 11。 有关详细信息，请参阅 在不符合最低系统要求的电脑上安装 Windows 11 。

Learn how to recover files that have been lost, deleted, or accidentally changed.

Microsoft 365 Customer Service and Support The type of support Microsoft provides for consumers depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription.

将两个或更多个单元格的文本合并到一个单元格 使用 & 号或 CONCAT 函数，可将多个单元格中的数据合并到一个单元格。 如何在 Excel 中将两个或多个单元格中的文本或数据合并为一个单元格。

Antes de começar As atualizações de driver para Windows, juntamente com muitos dispositivos, como adaptadores de rede, monitores, impressoras e placas de vídeo, são baixadas e instaladas automaticamente por meio do Windows Update. Você provavelmente já tem os drivers mais recentes. Porém, se quiser atualizar ou reinstalar manualmente um driver, veja como: