Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

Internet Explorer 模式现已启用。 要在 Microsoft Edge 中使用 Internet Explorer 模式查看网站，请按照下列步骤操作。 导航到你想要在 Internet Explorer 模式中查看的网站。

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

在 https://teams.microsoft.com 尋找Teams網頁 版。 若要使用Teams，您需要商務或企業 Microsoft 365 授權方案 Microsoft 365 帳戶。 如需詳細資訊，請參閱如何取得 Microsoft Teams 存取權？ 如需 Teams 網頁版支援瀏覽器的相關信息，請參閱 Microsoft Teams 的 Web 用戶端。

使用 REGEXREPLACE 函数，可以根据提供的正则表达式 (“regex”) 将字符串中的文本替换为另一个字符串。 语法 REGEXREPLACE 函数替换所提供的文本中与替换模式匹配的字符串。 REGEXEXTRACT 函数的语法为： REGEXREPLACE (text、pattern

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

Learn how to connect a Bluetooth device in Windows and adjust Bluetooth pairing settings.

Do you need some help installing Quick Assist? For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.

Update Surface devices and Windows. Download the latest drivers and firmware updates to keep your Surface devices performing their best.