Looks like you are on server, there's no "atlassian.net" in the confluence URL, right?
There are two steps.
1) create the anchor using macro (I've created anchor with name "my anchor" on the page "Test page")
2) navigate to the other page, where you want to have your link and during inserting link go to the "Advanced" section.
Insert special link here, it is based on the name of the page and name of the anchor:
Hi, Confluence collaborators! As part of #Confluence-Collaboratory month, we’ve created a very special Mythsbusters segment, where we're dive into an interesting myth and uncover the truth behind i...
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