i use the wacom one tablet the one with the display. on my pen i can set some mouse click or keyboard click but not both.

i draft as i learn to draw and want to use the tools in krita program but the tool says to use the combination shift + left click, i cannot do this.

i need help. i tried to fix it in the settings but it makes no sense to me. help please. in the meantime i will be doing my painting in ms paint and then doing some blender stuff. i will check the responses regularly in my email. ty in advance!