Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.

Learn how to download and customize Windows Media Player. Get troubleshooting help and how-to information for Windows Media Player 12.

How to get service or repair for Surface To get service for a personal Surface device (not a business device), you can send it in to get quality service performed by trusted experts using certified parts. You’ll be back up and creating your best work on your Surface.

To set an automatic reply for contacts outside your company, select Outside My Organization > Auto-reply to people outside my organization, type in a message, and select OK. The OK button may be missing because of certain screen solution and scaling settings. To resolve this issue, you can adjust the screen resolution and scaling settings, or use a large monitor.

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

Learn how to contact Microsoft Store support to get help for your payment and billing issue.

Apply data validation to cells Use data validation to restrict the type of data or the values that users enter into a cell, like a dropdown list.

Windows 11 servicing stack update - 22621.3522 and 22631.3522. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

アプリとプログラムを削除する方法はさまざまであるため、探しているアプリが見つからない場合は、別の場所を試すことができます。 一部のアプリとプログラムは Windows に組み込まれており、アンインストールできないことに注意してください。 プログラムが正しく実行されていない場合は ...