august sat first sat

hey guys im doing the august sat and it is going to be my first sat ever. all love really done so far is take a bluebook practice test but nothing else, I got a mid/low score on that. I got an 1120. I do want to like seriously lock in because I reallyyyy want to get 1450+. if you guys have any tips or of you could help me out that would mean a lot. tysm!