在“ 插入对象 ”框中，选择“ 从文件创建”，然后输入 pdf 文件位置;或选择“浏览”，找到 pdf 文件，然后选择“ 确定”。 这使得 pdf 文件成为演示文稿文件的一部分。 此方法会降低 pdf 文件的质量，但在“普通”视图中查看或编辑时，可以通过双击图像来打开完整的 pdf 文件。

Safe mode starts Windows with a minimal set of drivers and services to help troubleshoot issues. If a problem doesn't reappear when you start your PC in safe mode, you can eliminate the default settings and basic device drivers and services as possible causes.

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.

Microsoft Edge. 下面介绍如何在新版 Microsoft Edge 中更改主页：. 打开 Microsoft Edge，依次选择“设置及更多” >“设置” 。

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。

The Advanced Boot Options screen lets you start Windows in advanced troubleshooting modes. You can access the menu by turning on your computer and pressing the F8 key before Windows starts.

To do this. Press. Move to the Tell Me or Search field on the Ribbon to search for assistance or Help content.. Alt+Q, then enter the search term. Open the File page to use Backstage view.. Alt+F. Open the Home tab to use common formatting commands, paragraph styles, and the Find tool.. Alt+H. Open the Insert tab to insert tables, pictures and shapes, headers, or text boxes.

Tip: In Windows 7, you can synchronize your computer clock with an Internet time server to keep the computer clock up to date.To do this, select the date or time in the bottom right-hand corner of your screen, and then select Change date and time settings.Select the Internet Time tab, select Change settings, select Synchronize with an Internet time server, and then select Update now.

Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.

On the Invoices tab, choose the invoice that you want to view.If you don't see an invoice, use the date filter and select Past 3 months, Past 6 months, or Specify date range.