Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.

If you have a good antivirus program installed, make sure it's up to date and then do a full scan of your system. If you don't have an antivirus app installed on your PC, Microsoft offers some solutions if you're running Windows 8.1 or Windows 10/11. If you're running Windows 8.1 or Windows 10/11, you already have Windows Defender.

在 “个性化设置背景”旁边的列表中，选择“图片”、“ 纯色”、“ 幻灯片放映”或“ Windows 聚焦 (”，) 查看来自世界各地的新图像。

自从我们在 2018 年 10 月首次宣布“你的手机”和“你的手机助手”应用以来，这是一个令人兴奋的旅程。 从那时起，我们就开始把所有重要的功能和内容从 Android 手机带到了 Windows 电脑。

注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。 保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

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Under Customize toolbar, for Show favorites bar, do one of the following:. To turn on the favorites bar, select Always.

解决激活错误. 如果 Microsoft 365 无法激活，其最后会变为未授权，且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。

Depending on your organization's settings, you may see a check box that says "Don't ask again for n days" when you perform two-factor verification. If you've selected this option to stop two-factor verification prompts, and then you lose your device or your device is potentially compromised, you should have Microsoft 365 sign you out of all ...