To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Summary. This update installs the PC Health Check application onto Windows 10,version 20H2 and later devices. However, we will not install PC Health Check on Windows 11 devices.

了解如何使用键盘快捷方式导航 Windows。 浏览任务栏、命令提示符和常规 Windows 快捷方式的完整列表。 “Windows 密钥”与其他键一起使用时，可以执行许多方便的任务，例如启动“设置”、“文件资源管理器”、“运行”命令和固定到任务栏的应用，以及打开“讲述人”或“放大镜”等特定功能。

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。 如果有某个需要使用的应用被阻止，则可允许它通过防火墙，而不要关闭防火墙。

Notes: If you know your password, but just want to change it, go to account.microsoft.com Security tab, and select Change my password. If you know your username and password but they have stopped working, read My username and password have stopped working.

Microsoft 계정을 사용하여 Windows, Microsoft 365, OneDrive, Skype, Outlook 및 Xbox Live와 같은 Microsoft 서비스에 로그인합니다. 내 계정 포털은 보안 정보를 설정 및 관리하거나, 연결된 조직 및 디바이스를 관리하거나, organization 데이터를 사용하는 방법을 확인하여 회사 또는 학교 계정을 관리하는 데 도움이 됩니다.

To pin Quick Assist to your taskbar so you can quickly get back to it, after Quick Assist is open, right-click (or press and hold) the icon on your taskbar > Pin to taskbar. If the old app icon still appears on your device, make sure you select the new app icon.

Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.

Note: If it’s been fewer than 10 days since you upgraded to Windows 10, your previous version of Windows will be listed as a system file you can delete.If you need to free up drive space, you can delete it, but keep in mind that you'll be deleting your Windows.old folder, which contains files that give you the option to go back to your previous version of Windows.