Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.

注意 Microsoft Authenticator 不 适用于电脑或 Mac，因为出于安全原因，验证器应用是专为智能手机设计的。 了解详细信息。 Microsoft 不再支持超过一年的 Authenticator 版本。 始终使设备保持最新。 中国用户应阅读 如何在中国下载和使用 Microsoft Authenticator。

Find everything you need to manage your Microsoft account, XBOX profile, and more.

如果在电脑上安装或更新游戏服务时遇到问题，或者你注意到电脑版 XBOX 应用启动时缺少内容，则可能需要下载并运行适用于电脑的游戏服务修复工具。

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

摘要 当 BitLocker 无法在 Windows 中自动解锁加密驱动器时，需要 BitLocker 恢复密钥。 这是一个 48 位数字，可让你重新获得对驱动器的访问权限。

Windows 11 Windows 10 Summary Time, date, time zone, and daylight-saving time settings can be configured in the Settings app in Windows. To set these settings in Windows, select the desired task from the following list: Set the date and time Select Start > Settings > Time & language > Date & time.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.