Dive right in your scores will increase because of it. You’re going to have to bite the bullet that you might not remember how to detect multicollinearity (f test is positive while t test is negative fwiw), which I completely did but that stuff will start to get reintroduced to your brain. It’s in their somewhere you just have to bring it to the front.
More importantly you need to get used to tackling 10 subjects at once as opposed to just 1 at a time like you did when you were studying. This will take a while to do. Lastly you need to get used to the vignette format and the possibility of mulitple sections appearing in the same vignette. It’s brutal but it’s all about how bad you want it. The last month will make or break you.