Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。 若要更新显示驱动程序，需要在安全模式下启动电脑、卸载当前的显示适配器，然后检查驱动程序更新。

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

You can add slide numbers, notes page numbers, handout page numbers, and the date and time to your presentation.

Automatically fill a series of data in your worksheet, like dates, numbers, text, and formulas. Use the AutoComplete feature, Auto Fill Options button and more.

Learn how to manage the payment information and billing for your Microsoft 365 subscription.

Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

When you're using a Microsoft 365 program with Windows, there are two ways to copy the contents of what you see on your screen (commonly referred to as a "screenshot" or "screen capture").

Windows 11 でオペレーティング システムの情報を見つける. お使いのデバイスで実行中の Windows のバージョンを確認するには、Windows ロゴ + R を押し、[開く] ボックスに「winver」と入力して、[OK] を選択します。 詳細を確認する方法は次のとおりです。

You can copy and paste specific cell contents or attributes (such as formulas, formats, comments, and validation). By default, if you use the Copy and Paste icons (or + C and + V), all attributes are copied. To pick a specific paste option, you can either use a Paste menu option or select Paste Special, and pick an option from the Paste Special box. . Attributes other than what you select are ...