Microsoft では、制御された機能ロールアウト (CFR) など、いくつかのサービス テクノロジを介してセキュリティ以外の更新プログラム、修正プログラム、機能強化、および機能強化が提供されるため、Windows デバイスは異なる時点で新しい機能を取得する可能性があります。

If you haven't yet, install the PC Health Check app here. Press Windows logo key + S or select Search, type pc health check, and select PC Health Check from the list of results. Select Check now. It can take up to 24 hours for Windows Update to refresh your eligibility info. If your eligibility info is not updating in a timely manner, you can ...

If you can't connect to the Ethernet network on either PC, it might be a problem with your router, internet service provider, or USB to Ethernet adapter. On your home router. Try these things first to help you fix or narrow down the connection problem. Check the Ethernet cable and connection. Make sure the Ethernet cable is securely plugged ...

如果这是你第一次安装 Microsoft 365，则可能需要先执行一些设置步骤。展开下面的 “了解详细信息”部分。 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转到“登录并安装 Office”的部分。

Safe mode starts Windows in a basic state, using a limited set of files and drivers. If a problem doesn't happen in safe mode, this means that default settings and basic device drivers aren't causing the issue. Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC.

Tip: If you installed the Microsoft 365 apps as part of a suite, such as Office Home and Student or Microsoft 365, search for the suite name.For stand-alone apps search by the app name, such as Project or Visio. In most cases you can't uninstall an individual app if it's included in your Microsoft 365 suite.

Learn how to update Windows to ensure your device operates smoothly and securely with the latest features.

Important: The following steps apply only to devices currently running an activated copy of Windows 11 Home.If you’re not activated, we recommend you activate Windows 11 Home first. For more info, see Activate Windows.

If the developer tab isn't displayed in the ribbon, see Show the Developer tab. Open a template or use a blank document. To create a form in Word that others can fill out, start with a template or document and add content controls. Content controls include things like check boxes, text boxes, and drop-down lists. If you’re familiar with ...

The Windows Scan app can help you scan pictures or documents and save them to your PC as JPEG, bitmap, or PNG files. For more info, see Install and use a scanner in Windows.. Get Windows Scan