Since "Marked 2" is a paid Markdown previewer for macOS, there isn't a legitimate "free download" for the full version, though a free trial is available from the official website .
: If you have a Setapp subscription , Marked 2 is included at no extra cost. Marked 2 for Mac Free Download
: Drag your text file onto the Marked 2 icon. It will instantly render the text using a selected style. Since "Marked 2" is a paid Markdown previewer
: Once your preview looks correct, go to File > Export to save your paper as a: PDF : Perfect for final submissions. Marked 2 for Mac Free Download