Manually Download files from your course
Login to D2L. Browse to the course you wish to work with. Click the iTunesU icon in the right sidebar of your d2l course. iTunes will launch at the main UW Oshkosh site view.
Browse to the appropriate content area for your course. Courses are arranged by academic department. Click on the correct department for your course.
Locate your course within your department and click into it.
You should see a list of tabs and files on the bottom half of your iTunes
viewer. Most courses have 2 tabs, one for audio content and one for video content. 
To download a single file, click on the "
" or "
" button to the right of your
files.
You may also use the "
" button, located next to your course artwork, to download
the
contents of an
entire tab.
You may subscribe to a course by clicking the "
"
button. this will
let iTunes bypass the authentication steps in d2l and automatically download
new content as it becomes available.