If you legally own Super Mario Maker 2 and are looking for a guide related to (the final major update, which added the Super World feature, World Maker, new course parts, and the frog/meowser/power-up additions), here is a legitimate guide focused on gameplay, update features, and safe usage.
(if extracted)
By downloading and installing Update 3.0.2, players can ensure that their game is up-to-date and that they have access to the latest features and improvements. SUPER MARIO MAKER 2 -NSP--Update 3.0.2-.rar
The update may include: