before taking a screenshot, to get the best screenshot, you should set the graphics settings to the highest setting.
to do this, do the following steps:
1- press Esc and select Settings
2- select the Graphics tab and then select Graphics Settings
3- choose the Highest button

it is better to use the cinematic camera mode to take a screenshot.
to do this, do the following steps:
1- press Esc and select Settings
2- select Camera tab and choose Cinematic Mode

after completing the above steps, go to the desired location to take a screenshot.
you can also use Emote, for this, hold the Middle Mouse button and select the desired Emote.
then press the End button on the keyboard.
as you can see, all the icons of the game are hidden.
so you can take a screenshot of the screen by pressing the F12 button.

you can view and publish your screenshot on the game page in Steam Library.