How do I treat a non-displaced horizontal menicus tear?

[Abagail1203]

My MRI showed a non-displaced horizontal tear in the posterior horn and body reaching the inferior articular surface. Medial Femoral Condyle large areas of predominantly high grade (>50% thickness) cartilage loss/fissuring with smaller area of full thickness cartilage loss/fissuring. Patella: low grade <50% thickness cartilage loss/fissuring at the apex. Trochlea: small area of full thickness cartilage loss/fissuring. Small joint effusion. No synovium. Baker's cyst with multiloculated fluid dissecting laterally and superiorly with a focal collection along sciatic nerve. This knee pain is not due to an injury but from overuse remodeling a house up and down a lot of stairs, ladders and kneeling on floor.  I am 63 years old in good condition and do not want surgery if I can avoid it. Would appreciate any suggestions on how to treat this.