Layer

[Sophie28801485shv9]

  

im trying to fill the background but it won't show..

[Trevor.Dennis]

It's difficult to see what is happening from the supplied image.  Windows has a built in feature called the Snipping Tool that lets you grab screen shots. Just hit the WEindows key, and start typing sni...   For a really good screen shot utility, install GreenShot

[jane-e]

...and on macOS (which Sophie is using) the built in tool is called Screenshot.

https://www.take-a-screenshot.org/mac.html

Jane

[Michael Bullo]

Within the Layers panel, drag your "background" layer into the Artboard group of layers.