编辑或更改 PDF 文件 - Microsoft 支持
可移植文档格式 (PDF) 是用于共享最终版本文件的一种通用格式。 若要在通过 Office 程序（如 Excel 或 Publisher）创建的 PDF 中添加或编辑文本，请首先从原始 Office 文件开始着手。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Publisher for Microsoft 365, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Publisher 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Publisher 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Publisher 2016, InfoPath 2013
Encontrar la clave del producto de Windows
La clave de producto se encuentra en una etiqueta o tarjeta, dentro de la caja en la que venía Windows. Para obtener más información, ponte en contacto con el distribuidor que te haya vendido Windows 10 o Windows 11.
Applies To:
Microsoft account dashboard
Windows 更新疑难解答 - Microsoft 支持
如果你在下载和安装 Windows 更新时收到错误代码，更新疑难解答可以帮助解决该问题。 选择“开始 ”>“设置> ”>“更新和安全 ”>“疑难解答”>“其他疑难解答”。 接下来，在“启动并运行”下，选择“Windows 更新” > “运行疑难解答”。 运行完疑难解答后，最好重启设备。
What is Smart App Control? - Microsoft Support
Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.
Go back to Windows 8.1 - Microsoft Support
If you upgraded to Windows 10 recently and want to go back to Windows 8.1, here are some things you can try. This info only applies if you had Windows 8.1 on your computer before you upgraded. If your computer came with Windows 10 installed, no earlier version of Windows was ever on it. In that situation, you can't go back to Windows 8.1.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
Outlook.com 的 POP、IMAP 和 SMTP 设置 - Microsoft 支持
如果尝试将 Outlook.com 帐户添加到 Outlook 或其他邮件应用，可能需要 POP、IMAP 或 SMTP 设置。 可以在下面找到它们，也可以在 Outlook.com 设置中查看它们。. Outlook 和 Outlook.com 可能能够自动检测帐户的邮箱设置，但对于其他非Microsoft帐户，可能需要联系电子邮件提供商了解其设置。
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook Web App for Office 365 operated by 21Vianet, Outlook Web App Light, New Outlook for Windows, Outlook for Android, Outlook Mail for Windows 10, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019, Outlook Web App
Use Snipping Tool to capture screenshots - Microsoft Support
To capture a video snip, open Snipping Tool, select the Record button, then select New recording, or press Windows logo key + Shift + R.Select the area of the screen you wish to record, then select Start.When you are done, select Stop.At this point you can save the recording as-is or select Edit in Clipchamp to work with it in the Clipchamp video editor.
在 Windows 中更改默认浏览器 - Microsoft 支持
在 Web 浏览器下，选择当前列出的浏览器，然后选择 Microsoft Edge 或其他浏览器。
在 Windows 中更改颜色 - Microsoft 支持
若要手动选择主题色，请在“ 最近使用的颜色 ”或“ Windows 颜色”下选择一种主题色，或选择“ 自定义颜色 ”以获取更详细的选项。或者选择“ 从背景中自动选取主题色 ”框，让 Windows 选择该颜色。你选择的主题色将有助于偏移和补充浅色模式。