Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected. To check for updates manually, select Start > Settings > Windows Update . Check for updates.

在"安全性"选项卡上，选择"自定义级别"，ActiveX控件和插件"下，执行下列操作之一： 通过选择"启用"ActiveX自动提示控件。 允许 Internet Explorer" 启用"，在不使用外部媒体播放器的网页上显示 视频和动画。如果希望Internet Explorer，ActiveX"启用"或"提示"来下载已签名的控件。

Other subscription plans. Besides Microsoft 365 Family or Personal, there are other Microsoft 365 plans which include additional benefits and features designed specifically for small and mid-size businesses, enterprises, schools, or non-profits. You also get 5 GB of OneDrive online cloud storage with your free Microsoft account so you can access your files from anywhere.

Here’s how to get started: Go to Office.com. Click PowerPoint. Create a new, blank presentation, start with a template, or open an existing file. When you start with a new, blank presentation, PowerPoint automatically saves it to OneDrive with a default name, such as Presentation 1. To rename your presentation, do the following:

帐户为何被锁定并禁用. 如果 Microsoft 帐户持有者违反了我们的 Microsoft 服务协议 ，则通常将锁定这些帐户。. 以下是帐户被锁定的部分常见原因，并非所有帐户锁定情况均为这些原因所致：. 传播恶意软件、钓鱼和其他有害的活动. Microsoft 禁止将我们的服务用于 ...

トレーニング: Microsoft の個人、職場または学校のアカウントで Office.com にサインインします。 その方法については、このビデオをご覧ください。 サブスクリプションの特典の参照、トレーニング コースの閲覧、デバイスのセキュリティ保護方法などについて説明します。

Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language. Select Start > Settings > Time & language > Language & region. Under Preferred languages, select the language that contains the keyboard you want, and then select Options. Select Add a keyboard and choose the ...

To check for any security issues, go to Windows Defender settings, select Show details, and check your security status.

如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。. 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。. 如果我们检测到你的帐户有问题，我们会告诉你需要执行哪些操作来解决问题 ...

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Check the recent sign-in activity for your Microsoft account if you get an email about unusual activity.