This is the whole Qur’an in English, it is absolutely fantastic. It is narrated by an American brother called J.D. Hall and is split into 30 juz.

To download, just right click the link and “save target as” or “save link as” depending on browser

Juz:

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30