Is it possible to change angle of pedals and brake pedal stiffness?

I’ve just bought a moza r5 bundle and the pedals are shit. They are on a high angle and I have to press them with my ankles instead of my whole leg. The brake pedal has a stiffer coil and I can’t brake properly + whenever I press on the brake pedal the whole plate moves upward. Is there a way I can change the angle and stiffness without buying a stand or should I just throw it away and buy a normal one?