Learn how to change or reset your Windows password if you've forgotten or lost it.

Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

从 Microsoft 更新目录下载并安装 Windows SP1 如果无法从 Windows 更新 安装 SP1，可以从 Microsoft 更新目录下载安装包，然后手动安装 SP1。 转到 Microsoft 网站上的 Windows 7 Service Pack 1 下载页面 。

For information about which browsers support Outlook Web App, see Supported browsers for Outlook Web App. Open an attachment in its original format. In the light version of Outlook, you can use Open as Web Page or Open in browser to convert and open several common types of attachments as web pages.

借助提示和资源自行进行疑难解答以解决 Windows 蓝屏错误；如果你需要更多帮助，请联系 Microsoft 支持。 如果某个严重问题导致 Windows 意外关闭或重启，则会出现蓝屏错误（有时也称为黑屏错误或终止代码错误）。

Remote Assistance and Easy Connect let someone you trust take over your Windows 10 PC and fix a problem from wherever they are.

Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.

Microsoft Edge 新しい Microsoft Edge のホーム ページを変更する方法を次に示します。 Microsoft Edge を開き、[設定など] > [設定] の順に選択します。

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.