了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Learn what PivotTable and PivotCharts are, how you can use them to summarize and analyze your data in Excel, and become familiar with the PivotTable- and PivotChart-specific elements and terms.

Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.

Find and download free templates to create documents like calendars, business cards, letters, greeting cards, brochures, newsletters, or resumes.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Download printer drivers. If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

To see where your browser is saving downloads, look in your browser's settings. For example, in the new Microsoft Edge , select Settings and more > Settings > Downloads .The file path for your downloaded files (for example, C:\Users\[your name]\Downloads) is listed under Location.. In Microsoft Edge Legacy , select Settings and more > Settings .

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