Find help and how-to articles for Windows operating systems, including installation, updates, privacy, security and more.

Saiba como instalar, reinstalar ou ativar o Microsoft 365 ou o Office 2019 em um PC ou Mac.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

The OneNote desktop app features a full Office ribbon interface that can be permanently shown, or hidden, until needed. By default, navigation between different notebook is displayed on the left side of the screen and the list of page tabs is shown immediately to the right of the section tabs.

查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。. 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。. 如果 Windows 已预先安装在计算机上，产品密钥应显示在设备 ...

On the Windows 10 download page, download the media creation tool by selecting Download now, then run the tool. In the tool, select Create installation media (USB flash drive, DVD, or ISO) for another PC > Next. Select the language, architecture, and edition of Windows, you need and select Next. Select ISO file > Next, and the tool will create ...

更改密码. 转到 account.microsoft.com ，如果你尚未登录，则使用要更新的帐户的用户名和密码登录。. 从导航标题，选择“ 安全 以及”，因为正在访问敏感信息，将需要再次输入此帐户的密码。. 在“密码”安全磁贴中，选择“ 更改我的密码 ”。. 在“更改密码 ...

Update Microsoft Teams. When an update is available in the Teams desktop app, it'll appear at the top of your Teams window. To update, select Update > Update and restart Teams . Teams will automatically close and update. If it doesn't reopen automatically, select and open the updated Teams app on your device. The web app is always updated.

If you need to install or reinstall the OneNote desktop app on Windows (formerly called “OneNote 2016”), do the following: Download OneNote. When finished downloading, double-click the downloaded file to begin Setup. The installer will automatically detect if you’re currently running a 32-bit or 64-bit version of Microsoft 365 or Office ...

To see self-help answers, or to get support via email, Select Help from the top menu then Help. Open the Help pane. Enter your question or issue in the Search Help box on the right, and then press Return. If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need ...