I want to update my MacBook Pro to macOS High Sierra 10.13. It won't update. What do I do?

Is it like this?

https://discussions.apple.com/thread/250980823?cid=em_apple_email_question_correctanswer_go_to_the_discussion_en-us&answerId=251857098022#251857098022

Please describe any errors or other things that would give us any sort of clue what it does when you try to upgrade.

What year was your MacBook Pro produced? It must be a 2010 or later.