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Learn how to protect your PC, identity, and data from tech support scams.

Find all release notes for the XBOX Update Preview Alpha Skip-Ahead ring here.

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Windows 11 バージョン 23H2 (KB5099414) 用のこの累積的な更新プログラムには、最新のセキュリティ修正プログラムと機能強化に加え、先月のオプションのプレビュー リリースからのセキュリティ以外の更新プログラムが含まれています。 このリリースの最新状態については、 Windows リリース正常性 ...

Windows Server 2019 Windows 10, version 1809 Applies to: Windows Server 2019 This security update includes fixes and quality improvements that are part of the following update: June 9, 2026—KB5094123 (OS Build 17763.8874) The following is a summary of the issues that this update addresses when you install this update. The bold text within the brackets indicates the item or area of the change ...

激活是一个技术过程，用于将产品密钥或数字权利与设备的硬件配置配对。 这不评估副本本身的真实性，也不保证 Windows 副本是 正版 的。 它只确保产品密钥或数字权利对硬件配置有效。 另一方面，验证是检查关键 Windows 许可文件是否未被损坏、删除或删除，以及是否必须接收某些更新和下载的 ...

How to manage Kerberos KDC usage of RC4 for service account ticket issuance changes related to CVE-2026-20833

获取 Microsoft 365 的支持、帮助和学习资源。 使用 Microsoft 365 让你的生活井然有序、扩展你的创造力并保护重要信息。

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.