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Help keep your PC up to date with the latest free service packs and updates for your version of Windows. Download a free language pack to see Windows in the language of your choice. Download more apps for your Windows tablet or computer here. Browse thousands of free and paid apps by category, read user reviews, and compare ratings.

This update installs the PC Health Check application onto Windows 10,version 20H2 and later devices. However, we will not install PC Health Check on Windows 11 devices. PC Health Check includes diagnostics to monitor device health and troubleshooting to improve performance, all from the convenience of a single dashboard. Key features include:

someone@example.com-您是否正在寻找电子邮件地址？. 在 Outlook 中查找电子邮件地址？. 使用 "搜索通讯簿" 框。.

Open Device Manager. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

若要检查更新，请选择“ 开始 > 设置 > Windows 更新 ”，然后选择“ 检查更新 ”。. 如果有可用的更新，可以选择安装它们。. 检查更新. 如果在更新设备时遇到问题（包括以前的主要更新出现问题），请参阅 排查更新 Windows 问题 中的常见修补程序。. 如果Windows ...

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Supongamos que necesita sumar valores con más de una condición, como la suma de ventas de productos en una región específica. Este es un buen caso para usar la función SUMAR.SI.CONJUNTO en una fórmula.. Mire este ejemplo en el que tenemos dos condiciones: queremos la suma de ventas de Meat (de la columna C) en la región Sur (de la columna A).. Esta es una fórmula que puede usar para ...