The type of support Microsoft provides depends on the product you're calling about and if you have a product for home or for business use. It can also depend on if you want help for an issue with a service like OneDrive or Outlook.com, or help with Windows, but you don't have an existing Microsoft 365 subscription. Learn more about which products are included for home or for business.

This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5084897) incudes fixes and improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates ...

要建立 Teredo IPsec 连接，必须要有 Windows Defender 防火墙。 即使您使用其他安全软件和防火墙，它们大多也会基于 Windows Defender 防火墙工作。 如果您的 Windows Defender 防火墙因某种原因被禁用，您必须将其启用，以使用 XBOX Live 的群聊天服务或玩多人游戏。

Find all release notes for the XBOX Update Preview Delta ring here.

Bộ phận hỗ trợ của Microsoft luôn sẵn sàng trợ giúp bạn về các sản phẩm của Microsoft. Tìm bài viết hướng dẫn, video và nội dung đào tạo về Microsoft Copilot, Microsoft 365, Windows 11, Surface, v.v..

Original publish date: July 14, 2026 KB ID: 5121391 In this article Summary Take action Expected secure state changes Opting out of automatic remediation Ownership failure event case (Event ID 1137) Save the previous SDDL (Recommended) How to restore the previous ACL Event references Change log Summary The Access Control List (ACL) on the Distributed Key Manager (DKM) container entered its ...

Windows 11 Windows 10 電腦鍵盤有數種不同類型。 最常見的類型是插到電腦上的實體外接鍵盤。 但 Windows 有一個名為螢幕小鍵盤 (OSK) 的內建協助工具，可以代替實體鍵盤使用。 您不需要觸控螢幕即可使用 OSK。 它會顯示一個包含所有標準按鍵的視覺鍵盤，因此您可以使用滑鼠或其他指標裝置選取按鍵 ...

Χρησιμοποιήστε την εφαρμογή Ρυθμίσεις στα Windows είτε για να ορίσετε έναν προεπιλεγμένο εκτυπωτή με μη αυτόματο τρόπο είτε για να επιτρέψετε στα Windows να διαχειρίζονται τον προεπιλεγμένο εκτυπωτή.

If you see error 0x803F8003 when launching a game on XBOX or Windows, learn how to resolve that issue.

XBOX 360 本体に自分の XBOX プロフィールまたは更新プログラムをダウンロードしようとしたときに、エラー 0x8007045D または 8007045D が表示された場合の対処方法について説明します。