There is a lag in the minecraft specially in my computer.

Starting i was using tlauncher then i started to use minecraft original launcher.

While i was using tlauncher it had a version list and i choosed optfine 1.6.3

it worked fine there but when i open original minecraft it has no setting options like so i cannot even change my setting please look into it. I had spent my whole pocket money for buying this game please help me with my problem. it is my favourate game.