how do players set a trap on pc keyboard and mouse 2025 edition

[Cerul Liber]

any help would be higly appreciated!
pc only ! keymouse only!

[pilotti]

Select the desired trap by rotating the menu in the lower left corner of the screen with the Z and X keys so that it is below the + icon, and press the R key.

[FFox]

Did you even play the introduction or did you went with a started save already? Acts as a tutorial aswell.