Move between source and PDF
SyncTeX keeps your source and the PDF connected while you revise.
1Build the document once
2Jump from source to the PDF
3Jump back to the source
1Build the document once
Start with a current PDF so TeX64 can connect it to your source.

2Jump from source to the PDF
With a .tex file active, click SyncTeX in the toolbar to find the current source position in the PDF.
3Jump back to the source
Enable Reverse SyncTeX in Settings, then Cmd/Ctrl+Click a place in the PDF to return to its source.