Best is to consult a physiotherapist. He will help you to get proper range, strength, co-ordination and balance. The pain will be over but all this requires time to be normal.
Next Steps
Go to a physiotherapist.. Ultrasonic therapy +IFT +wax therapy +some strengthening exercises will be helpful for sure.
Health Tips
At home.. Rest +hot water fomentation +pain killer gel +no long standing /walking /stair climbing +no cold exposure +no squatting +use knee cap.