image to sketch [in Photoshop]

All of the controls used in my last example are available in Photoshop CC.  So:

1. Open the color .png file
2. Select Filter>Stylize>Find Edges
3. Convert the image to Black and White, using Image>Mode>Grayscale
4. Use the Levels controls to darken the sketch lines.

I will move this discussion to the Photoshop Ecosystem forum.  The experts there will probably have better and easier ways to perform this effect in Photoshop CC.

Here is another method I used with your image:

1. Select Filter>Stylize>Find Edges
2. Enhance>Convert to Black and White.  In this example, I used the Infrared Effect option
3. Play with Levels (Ctrl+L) to darken the lines.

Is this the desired effect you want to have?

What version of Elements are you using?

If you post an example photo, we can give you some options and other suggestions.  But, in the meantime, look at the Filters>Sketch> menu options.  Depending on the image, the Photocopy filter should work.  But there are refinements that can also be used.

What version of Elements are you using.  In Elements 2022 (and earlier versions), you can use the Line Drawing Guided Edit (under Black and White tab).

There are various other options, but the Guided Edit turns out fairly good results.  With the following example, I strengthened the lines using a Levels command in the Expert mode.