It sounds like
You learn better by doing than being told
You need to stop worrying about LOOKING foolish by asking at the risk of BEING foolish by not asking!
They will be much less impressed if you make a major mistake than if you fess up and go "I know I've asked this a million times but can you walk me through it again please"
Create your own "idiots guide" I've done that in every bespoke admin role I've done!
It can look as daft as :
Step 1 - computer on (don't do x until you've checked y is working correctly today 1st)
Step 2 - double check figure a matches figure f
Flow Charts whatever works for you we ALL have to learn and we ALL have daft blindspots! I can do basic arithmetic but ask me how to calculate how much the vat was on something based on the total and I'm screwed! I have to google the equation every time!
Making notes BY HAND literally creates the electrical transference in the brain to occur that creates a memory.
If I have something super important to remember I write it down longhand as well as put on phone calendar etc. usually (not always) I find I've remembered it without the electronic notification. The act of writing it out solidifies the memory - this is not just me saying this, it's a known fact.
The same goes for learning an action - have you ever known anyone being able to tie laces or sew or do anything manual WITHOUT having to practice the act many times first?
See?
Op I am saying this not only as one who has had to learn themselves but who has trained others, I did not expect them to have it all down pat 2 months in! Nobody does.
It takes time to learn.
It's also easier to learn if you perform the action yourself
I've set things up so I have an unconnected keyboard on the same desk as a trainee and they've literally just copied my keystrokes over and over until they "got it" I found this was more effective and actually quicker than constantly answering basically the same question or worse them trying to struggle on (men are the worst for this!) but actually cocking it all up!!
That's harder to fix!
I spent today explaining to the sales team that if they don't fill in database fields, we won't be able to do basic searches and it negates the whole purpose of having a database.
Oh I feel your pain! I was once in a role where the company was moving from paper based data records to computerised (yes I'm old!) and getting this through to my boss that the particular way this data was managed and filtered REQUIRED 0's in certain fields if no value applied was like getting blood out a stone! Took about 6 months till the penny dropped!