grinding leetcode

Hey guys, so im a senior graduating in may and i want to start grinding leetcode so when i graduate i can pass an interview. I have not done leetcode yet and havent rlly looked at dsa since my sophmore year of college so its all a blur. whats the best approach to get going and grind through it? also any tips that helped u would be appreciated. also if u guys have any tips about the interview process in general.