Page url:
https://jamulus.io/wiki/Compiling#download-jamulus-source-code
The issue with spaces (issue 864) has been resolved now, so the text on this page (see below) can removed now.
Make sure that there are no spaces in the directory you move the jamulus directory to since it might break the Jamulus installer