在Windows 11电脑上启用虚拟化. 虚拟化可让你的电脑模拟不同的操作系统，例如 Android™ 或 Linux。. 通过启用虚拟化，你可以访问更大的应用库，以便在电脑上使用和安装。. 如果你在电脑上从Windows 10升级到Windows 11，这些步骤将帮助你启用虚拟化。. 注意: 许多 ...

打开或关闭 Windows 安全中心. Security Windows 10. 当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。. 但是，Windows 安全中心已预安装并可随时使用。. 如果你想要使用 Windows 安全中心，可卸载其他所有防病毒程序，Windows 安全 ...

Change your background during a meeting. In your meeting controls, select More actions > Effects and avatars . Select Blur to blur your background, or choose from the available images to replace it. To upload an image of your own, select Add new and pick a .JPG, .PNG, or .BMP file from your computer. To turn off background effects, select None.

安装 Windows 11 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新”，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。

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 ...

Download printer drivers in Windows. If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers. Make sure your printer is on and connected to your PC. Open Start > Settings > Bluetooth & devices > Printers & scanners . Select the name of the printer, and then choose Remove.

Find your Office product key. Office 365 Office 2019 Office 2016 Office 2013. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.

若要使用 DirectX 诊断工具 检查你电脑上使用的是哪个版本的 DirectX，请选择 “开始” 按钮，在搜索框中键入 “dxdiag” ，然后按 Enter 。. 在 DirectX 诊断工具 中，选择 “系统” 标签页，然后在 “系统信息” 下面检查 DirectX 版本号。. 你首次使用 DirectX 诊断工具 ...

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

可以更改整个演示文稿的默认字体，而不是逐个更改幻灯片中的字体。. 字体配对 (标题字体、正文字体) 是 PowerPoint 中的重要设计决策。. 单击“ 查看 > 幻灯片母版 ”。. 在“ 幻灯片母版 ”选项卡上，单击“ 字体 ”下拉菜单。. 选择要用于演示文稿中所有幻灯 ...