You should read the story carefully. Because I immediately understood from the story

very bad one

very bad one

hint: keep capitalization/shifts when shown, and disregard keys like tab and backspace when figuring it out.

doing it manually is another level fun

You can use this website : https://www.dcode.fr/keyboard-shift-cipher

Does this flag still work? I have the flag but it gives an incorrect error each time submitting

same, flag not work

add _ underscore between two words inside {}brackets

it worked thanks

add _ underscore between two words inside {}brackets

why though, is it a decoding thing or an error on the website

I think it's a decoding thing....I'm guessing backspace caused them a problem

it's way more difficult if you are outside US

True ... Unless you use an US keyboard ;) ...

You can search for an image of the US keyboard's layout. That's how I managed to solve this problem