Delivered by download as 2 RAR format files. The Language Associates Digital Editions are the popular FSI courses in full digital format - all course material is included, but all audio is in MP3 format and all reading material is in PDF format. These courses are widely considered to be the best and most complete language courses available. Get the benefits of full FSI courses with increased portability and substantial savings! Direct from publisher for less than 1/2 of our CD format price!