How to add fancy borders to ppt

How to add fancy borders to ppt? We need to operate (3 steps). The model of this demonstration is Lenovo rescuer R 9000 K; System: Windows10; ; Software: wpsoffice11.1; The following are the detailed steps

1 Click the drawing tool.

In the current document, click the drawing tool at the top;

1. Click the drawing tool 2 and click the outline.

After entering the page, click on the outline above;

2. Click on the outline 3 and click on the lace.

Pop up a new interface, select dotted line linearity, and click the lace on the right.

Click lace