To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

Learn how to connect your Windows PC to external monitors and adjust the display settings.

ただし、Microsoft 365 を再インストールするときに、既にプロダクト キーを取得していてアカウントに Microsoft 365 を関連付けている場合は、「 サインインして Office をダウンロードする 」セクションを参照してください。

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Can I upgrade to Windows 11? If your existing Windows 10 PC is running the current version of Windows 10 and meets the minimum hardware specifications to run Windows 11, it will be able to upgrade.

更新 DirectX 若要获取你的 Windows 版本的最新版 DirectX，请使用 “Windows 更新” 。 如果你有 Windows 10，则你已经安装了最新版本的 DirectX。 并非所有版本的 Windows 都可以运行最新版本的 DirectX。

On your PC, in the Phone Link, select Messages. To start a new conversation, select New message. Enter the name or phone number of a contact. Select the person you want to send a message to. A new message thread opens for you to begin with. If you encounter issues while using messages, our troubleshooting tips may help.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

On the side panel, select People. Select All contact lists, then select Edit by either right-clicking the contact list or selecting it from the Ribbon. You'll have the option to rename the contact list, add additional contacts to the list, or add a Description to the list. When you are finished, select Save.

Windows 11 是一个全新的 Windows 用户界面，使你更接近所喜欢的内容。 凭借直观的导航和简单的组织，Windows 11 拥有全新的外观、更多的应用程序和高效的方式来发挥创造力和生产力。 从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。