Did you try lowering the graphic settings?
You can also interact with things with the left mouse button and select the interaction with mouse wheel or Q and E or whatever else you configure. It's like the standard toolbar you have in many games like Minecraft or Space Engineers.
I wasn't sure how else to make interactions since most objects have multiple actions. Some games have rather random buttons or tap vs hold or require equipping a specific tool for a specific action but even then you sometimes still have arbitrary differences between left and right click or click and hold.