Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

There are some common two-step verification problems that seem to happen more frequently than any of us would like. We've put together this article to describe fixes for the most common problems.

如果遇到特定文件类型的错误，则可能是编解码器缺失或过时。 若要解决此问题，请执行以下操作： 检查文件属性： 确保电脑上有正确的编解码器来播放媒体文件。 若要检查文件格式和编解码器信息，请右键单击媒体文件，选择“属性”，然后转到“详细信息”选项卡。

Remarque : Si moins de 10 jours se sont écoulés depuis la mise à niveau vers Windows 10, votre version précédente de Windows s’affiche en tant que fichier système que vous pouvez supprimer.Si vous devez libérer de l’espace disque, vous pouvez le supprimer, mais n’oubliez pas que cela supprimera votre dossier Windows.old, qui contient des fichiers qui vous donnent la possibilité ...

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Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.

Обновления экран по умолчанию и параметры спящего режима теперь помогают более эффективно использовать энергию и продлить время работы батареи.

Bluetooth 액세서리 관련 문제 해결. Bluetooth를 켤 수 있지만 Bluetooth 액세서리를 페어링하거나 사용하는 데 문제가 있는 경우 Bluetooth 액세서리와 관련된 일반적인 문제를 해결하기 위한 다음 단계를 참고하세요.

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

If you turn on the Microsoft account setting for Cloud content search, Windows Search will show results from items in your personal OneDrive, Outlook, and other Microsoft services.If you search the web or get web search suggestions with Windows Search, Bing will personalize your results. You can also earn Microsoft Rewards points when you search with Bing in the Windows search box.