In a correct manner.
"Please make sure to tie your shoes correctly so you don't trip during practice."
In plain English: Doing something correctly means doing it the right way.
"She answered all the questions correctly on the test."
Usage: Use "correctly" to describe an action performed in accordance with established rules or facts. It modifies verbs to indicate that something was done without error or according to proper procedure.
The word correctly is formed by adding the suffix -ly to the adjective correct. It entered English as a straightforward derivation that retains the original meaning of being right or accurate.