Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

以下是查找 Windows 帮助的多种不同方法: 搜索帮助 - 在任务栏上的搜索框中输入问题或关键字，以查找应用、文件和设置并从 Web 获取帮助。

This content can help you with your work or school account, which is the account provided to you by your organization (for example, dritan@contoso.com).

Windows 11 版本 23H2; 2024 年 7 月 9 日 - KB5040442（OS 内部版本 22621.3880 和 22631.3880） 2024 年 6 月 25 日 - KB5039302（OS 内部版本 22621.3810 和 22631.3810）预览

Blocked file types in Outlook. If you use a Microsoft Exchange Server account and the Exchange Server administrator has configured your Outlook security settings, your administrator might be able to help you.

Learn how to get the latest Windows updates. Find answers to FAQ about updating Windows to keep your PC up to date.

Saiba como desligar, suspender ou hibernar o computador. Quando estiver pronto para suspender o computador, basta pressionar o botão de energia no desktop, tablet o notebook, ou fechar a tampa do notebook.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

A Microsoft account is a personal account required for access to Microsoft’s products and services.