How can I improve myself in 6 months?

Stop watching PORN.Stop playing games like PUBG , CALL OF DUTY , GTA V , COC etc. These games kill your precious time.
Deactivate social media accounts except Quora. ( Use Quora when you free not the all time)
Stop eating outside food ( burger pizza etc )
Hit Gym daily.
Start running on track ( not on roads )
Do 10 push up daily every month and go to 60
If you have time then play games like basketball & tennis.
Plant a tree nearby only if you can take care of it.
Note down your daily activities.