Before considering troubleshooting options, make sure your device is up to date. Select Start > Settings > Update & Security > Windows Update , then select Check for updates.If you need help setting up your external monitors, see How to use multiple monitors in Windows 10.

管理者の数を減らし、日常的なアクティビティに標準ユーザー アカウントを使用する方が安全です。 設定アプリを使用して、ユーザーを管理者にするか、管理者を標準ユーザーに戻すことができます。

Tip: If you have a Microsoft 365 Family subscription, people you've shared the subscription with can also set up a personalized email address with your connected domain.After you've set up your domain, people you've shared with will see an option to add a personalized email address in the premium features section of Outlook settings.

Review your device details, select the check box, I'm ready to remove this device, then select Remove.

如果已有 Microsoft 365 家庭版订阅，或购买了 Office 2016 的一次性下载，请单击本页底部的“联系我们”按钮。 咨询社区 向论坛中的专家寻求帮助：个人版、家庭版或大专院校版用户请访问 Office on Windows 论坛商业版用户请访问 Microsoft 365 社区论坛. 在 Office 应用中 ...

You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first.

Note: Some versions of Project don't have an associated Microsoft account, or work or school account, or you need to redeem your product key in a different way.See the following if this is how you got your version of Project Professional 2021, Project Professional 2019, Project Standard 2021, or Project Standard 2019: Microsoft Workplace Discount Program (formerly known as Home Use Program ...

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.

Windows 11 is designed to bring you closer to what you love and is releasing at a time when the PC is playing an even more central role in the way we connect, create and play.

Select Add a keyboard and choose the keyboard you want to add. If you don't see the keyboard you want, you may have to add a new language to get additional options. If this is the case, go on to step 4.