I just got and starlink mini and the wifi reach is so limited how to improve it?

hey guys, just got an starlink mini but wifi signal are so low its like 1 or 2 and did put starlink on roof of my room but i still dont get good signal,i searched youtube but didnt get what i need to do,i kept seeing mesh or router which i didnt get it,can someone explain me what i need to do, please explain it simple,my english is not that good,so i appreciate you,and consider im living in 3rd world nation so,yeah please do help me with simple stuff,tnx