Driving question when you are going to change lanes how do it properly?

Turn your blinker signal on, check for lane traffic (use mirrors and turn your head), merge into the lane (keep your eyes on the traffic flow) if there's a large enough gap to accommodate your vehicle without you tailgating the car in front of you. Driving question when you are going to change lanes how do it properly?
put your blinker on?Driving question when you are going to change lanes how do it properly?
Use your turn signal, check your mirrors and look over your shoulder before changing lanes.
Where I live, you can enrol for proper driving tuition at a Driving School