Hi guys Old graduate just started to prepare for Step 1

Hi guys
Old graduate …
just started to prepare for Step 1 …
4 months ( 8 hours a day )
Sources ( UWORLD … First aid )
First aid once
UWORLD ( one round ) … ( second round was on wrong answers only )
Some YouTube videos … just started board and beyond last week
25 October ( today ) … UWSA 1 … 198
10 October … NBME 17 … 175
26 September… NBME 18 … 158
Target 230
Exam in a month
Is it doable ? Need your support and advices