Good morning, my left knee have been giving me issues with some tightness around it specially when i bent it and now when i do body squats it pops ?

Not too much: to worry about unless you have pain. It is not especially unusual to hear or feel some popping with flexion/squats usually due to tendons moving over bony aspects of the knee joint. Tightness sometimes indicates a bit of swelling with fluid causing some tension within the joint. I would back off your work out a bit for a week or two. If still having issues, consider Orthopedic/Sports Med eval:)